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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG791653600

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791653600

Diamond specifications and retailer prices

From $235 USD
As of October 28, 2026
Save $2,315 USD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,550 USD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG791653600 or 791653600. Listed at 25 retailers as of October 24, 2026, with prices from $235 to $2,550, a $2,315 spread on the same certified stone. Brilliant Earth lists it at $2,550. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791653600
Dimensions10.38 × 5.38 × 3.32 mm
L/W Ratio1.93
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
10.38 mm5.38 mm1.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791653600
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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: $2,550 USD|Low: $233 USD|High: $2,550 USD|Avg: $716 USD
Brilliant Earth
Retailer 2
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Retailer 23
October 29, 2026
Retailer 15$233 USD
Retailer 7$235 USD
Retailer 14$245 USD
Retailer 5$262 USD
Retailer 10$262 USD
Retailer 13$299 USD
Retailer 18$372 USD
Retailer 6$397 USD
Retailer 4$461 USD
Retailer 20$496 USD
Retailer 22$498 USD
Retailer 19$542 USD
Retailer 9$548 USD
Retailer 21$705 USD
Retailer 23$844 USD
Retailer 8$928 USD
Retailer 12$949 USD
Retailer 16$981 USD
Retailer 2$1,163 USD
Retailer 11$1,229 USD
Retailer 17$1,265 USD
Retailer 3$2,030 USD
Brilliant Earth$2,550 USD

27 data points across 23 retailers

25 retailers$235 USD to $2,550 USD

A
Retailer 1
-
$233 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$235 USD
View
Final sale: no returns
A
Retailer 3
-
$245 USD
View
A
Retailer 4
-
$262 USD
View
A
Retailer 5
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$262 USD
View
A
Retailer 6
-
$299 USD
£236 GBP
View
A
Retailer 7
-
$372 USD
View
A
Retailer 8
-
$397 USD
HK$3,100 HKD
View
A
Retailer 9
-
$461 USD
View
A
Retailer 10
-
$496 USD
ZAR 8,017 ZAR
View
A
Retailer 11
-
$498 USD
View
A
Retailer 12
-
$542 USD
£427 GBP
View
A
Retailer 13
-
$548 USD
€522 EUR
View
B+
Retailer 14
-
$705 USD
A$1,084 AUD
View
B+
Retailer 15
-
$844 USD
View
B+
Retailer 16
-
$928 USD
View
B+
Retailer 17
-
$949 USD
SGD 1,283 SGD
View
B+
Retailer 18
-
$981 USD
View
B+
Retailer 19
-
$1,163 USD
£916 GBP
View
B+
Retailer 20
-
$1,229 USD
View
B
Retailer 21
-
$1,265 USD
View
B
Retailer 22
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$1,800 USD
View
B
Retailer 23
-
$1,969 USD
£1,550 GBP
View
B
Retailer 24
-
$2,030 USD
View
Most Expensive
B
Brilliant Earth
18897939A · Oct 24
$2,550 USD
View
24 more retailers have this diamond
Prices start from $235 USDSave up to $2,315 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
$235 USD