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Marquise|Lab Grown|IGI

1.05ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG598340190

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG598340190

Diamond specifications and retailer prices

From $221 USD
As of October 30, 2026
Save $1,689 USD (88%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $1,910 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG598340190 or 598340190. Listed at 28 retailers as of October 29, 2026, with prices from $221 to $1,910, a $1,689 spread on the same certified stone. Do Amore Diamonds lists it at $1,910. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598340190
Dimensions10.47 × 5.35 × 3.28 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.47 mm5.35 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598340190
Side View
Table 60.0%Crown 33.5°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,910 USD|Low: $198 USD|High: $1,910 USD|Avg: $725 USD
Do Amore Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 11$198 USD
Retailer 19$221 USD
Retailer 8$246 USD
Retailer 6$382 USD
Retailer 7$384 USD
Retailer 16$459 USD
Retailer 20$467 USD
Retailer 10$468 USD
Retailer 4$485 USD
Retailer 13$504 USD
Retailer 12$587 USD
Retailer 18$649 USD
Retailer 21$664 USD
Retailer 3$794 USD
Retailer 14$935 USD
Retailer 9$1,045 USD
Retailer 15$1,073 USD
Retailer 17$1,095 USD
Retailer 5$1,189 USD
Retailer 2$1,400 USD
Do Amore Diamonds$1,910 USD

42 data points across 21 retailers

28 retailers$221 USD to $1,910 USD

Retailer 1
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$198 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$221 USD
View
Final sale: no returns
Retailer 3
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$236 USD
View
Price last confirmed 31 days ago
Retailer 4
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$246 USD
View
Price last confirmed 22 days ago
Retailer 5
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$246 USD
View
Price last confirmed 20 days ago
Retailer 6
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$274 USD
View
Price last confirmed 32 days ago
Retailer 7
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$289 USD
View
Price last confirmed 32 days ago
A
Retailer 8
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$382 USD
View
A
Retailer 9
-
$384 USD
HK$3,000 HKD
View
A
Retailer 10
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$459 USD
€437 EUR
View
A
Retailer 11
-
$467 USD
ZAR 7,540 ZAR
View
A
Retailer 12
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$468 USD
View
A
Retailer 13
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$485 USD
View
A
Retailer 14
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$504 USD
£397 GBP
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A
Retailer 15
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$587 USD
View
A
Retailer 16
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$649 USD
A$998 AUD
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A
Retailer 17
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$664 USD
A$1,022 AUD
View
B+
Retailer 18
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$794 USD
View
B+
Retailer 19
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$873 USD
View
Retailer 20
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$873 USD
View
Price last confirmed 20 days ago
B+
Retailer 21
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$935 USD
SGD 1,264 SGD
View
Retailer 22
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$1,039 USD
View
Price last confirmed 30 days ago
B+
Retailer 23
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$1,045 USD
View
B+
Retailer 24
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$1,073 USD
A$1,650 AUD
View
B+
Retailer 25
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$1,095 USD
£862 GBP
View
B
Retailer 26
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$1,189 USD
View
B+
Retailer 27
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$1,400 USD
View
Most Expensive
B
Do Amore Diamonds
27-C1678635B · Oct 29
$1,910 USD
View
27 more retailers have this diamond
Prices start from $221 USDSave up to $1,689 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.05ct Marquise
$221 USD