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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG807644292

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807644292

Diamond specifications and retailer prices

From $276 USD
As of October 28, 2026
Save $989 USD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,265 USD at Flawless Fine Jewelry · As of October 27, 2026
View at Flawless Fine Jewelry

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 LG807644292 or 807644292. Listed at 18 retailers as of October 27, 2026, with prices from $276 to $1,265, a $989 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,265. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807644292
Dimensions10.23 × 5.24 × 3.35 mm
L/W Ratio1.95
Girdle conditionFaceted
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
10.23 mm5.24 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807644292
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A+
Exceptional
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: $1,265 USD|Low: $267 USD|High: $1,407 USD|Avg: $651 USD|-6.7%
Flawless Fine Jewelry
Retailer 2
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Retailer 12
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Retailer 18
October 29, 2026
Retailer 7$267 USD
Retailer 14$276 USD
Retailer 8$310 USD
Retailer 6$332 USD
Retailer 10$342 USD
Retailer 5$358 USD
Retailer 15$438 USD
Retailer 3$485 USD
Retailer 2$501 USD
Retailer 13$537 USD
Retailer 16$559 USD
Retailer 17$619 USD
Retailer 18$792 USD
Retailer 12$824 USD
Retailer 4$1,006 USD
Retailer 9$1,081 USD
Retailer 11$1,233 USD
Flawless Fine Jewelry$1,265 USD

18 data points across 18 retailers

18 retailers$276 USD to $1,265 USD

A+
Retailer 1
-
$267 USD
Price last confirmed 7 days ago
A+
Retailer 2
-
$276 USD
View
Final sale: no returns
A
Retailer 3
-
$310 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$332 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$342 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$358 USD
HK$2,800 HKD
View
A
Retailer 7
-
$438 USD
View
A
Retailer 8
-
$485 USD
View
A
Retailer 9
-
$501 USD
€477 EUR
View
A
Retailer 10
-
$537 USD
View
A
Retailer 11
-
$559 USD
ZAR 9,038 ZAR
View
A
Retailer 12
-
$619 USD
£488 GBP
View
B+
Retailer 13
-
$792 USD
A$1,219 AUD
View
B+
Retailer 14
-
$824 USD
SGD 1,113 SGD
View
B+
Retailer 15
-
$1,006 USD
View
B+
Retailer 16
-
$1,081 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$1,233 USD
£971 GBP
View
Most Expensive
B+
Flawless Fine Jewelry
48B41EC03 · Oct 27
$1,265 USD
£996 GBP
View
17 more retailers have this diamond
Prices start from $276 USDSave up to $989 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
$276 USD