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Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG628401222

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG628401222

Diamond specifications and retailer prices

From $222 USD
As of October 28, 2026
Save $1,648 USD (88%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $1,870 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown marquise diamond

This 1.03ct 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 LG628401222 or 628401222. Listed at 27 retailers as of October 28, 2026, with prices from $222 to $1,870, a $1,648 spread on the same certified stone. Do Amore Diamonds lists it at $1,870. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628401222
Dimensions5.12 × 5.12 × 3.25 mm
L/W Ratio1.00
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
5.12 mm5.12 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628401222
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.5%

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 28
Current: $1,870 USD|Low: $195 USD|High: $1,870 USD|Avg: $741 USD
Do Amore Diamonds
Retailer 2
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Retailer 20
October 29, 2026
Retailer 10$195 USD
Retailer 17$222 USD
Retailer 6$242 USD
Retailer 4$378 USD
Retailer 16$384 USD
Retailer 8$452 USD
Retailer 13$453 USD
Retailer 15$459 USD
Retailer 20$480 USD
Retailer 2$494 USD
Retailer 11$576 USD
Retailer 19$781 USD
Retailer 12$926 USD
Retailer 7$1,031 USD
Retailer 18$1,065 USD
Retailer 9$1,065 USD
Retailer 14$1,077 USD
Retailer 3$1,179 USD
Retailer 5$1,610 USD
Do Amore Diamonds$1,870 USD

42 data points across 20 retailers

27 retailers$222 USD to $1,870 USD

A
Retailer 1
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$195 USD
Price last confirmed 21 days ago
A
Retailer 2
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$222 USD
View
Final sale: no returns
A
Retailer 3
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$232 USD
View
Price last confirmed 29 days ago
A
Retailer 4
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$242 USD
View
Price last confirmed 21 days ago
A
Retailer 5
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$242 USD
View
Price last confirmed 19 days ago
A
Retailer 6
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$269 USD
View
Price last confirmed 30 days ago
A
Retailer 7
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$284 USD
View
Price last confirmed 31 days ago
A
Retailer 8
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$378 USD
View
A
Retailer 9
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$384 USD
HK$3,000 HKD
View
A
Retailer 10
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$452 USD
View
A
Retailer 11
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$453 USD
€431 EUR
View
A
Retailer 12
-
$459 USD
ZAR 7,415 ZAR
View
A
Retailer 13
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$480 USD
View
A
Retailer 14
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$494 USD
£389 GBP
View
A
Retailer 15
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$576 USD
View
B+
Retailer 16
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$781 USD
View
B+
Retailer 17
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$859 USD
View
B+
Retailer 18
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$859 USD
View
Price last confirmed 19 days ago
B+
Retailer 19
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$926 USD
SGD 1,251 SGD
View
B+
Retailer 20
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$1,021 USD
View
Price last confirmed 29 days ago
B+
Retailer 21
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$1,031 USD
View
B+
Retailer 22
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$1,065 USD
View
B+
Retailer 23
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$1,065 USD
A$1,639 AUD
View
Price last confirmed 21 days ago
B+
Retailer 24
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$1,077 USD
£848 GBP
View
B
Retailer 25
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$1,179 USD
View
B
Retailer 26
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$1,610 USD
View
Most Expensive
B
Do Amore Diamonds
27-AE3709F7E · Oct 29
$1,870 USD
View
26 more retailers have this diamond
Prices start from $222 USDSave up to $1,648 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
1.03ct Marquise
$222 USD