Marquise|Lab Grown|IGI

0.51ct E VVS2 Marquise Lab Grown Diamond

ID • E/VVS2 • IGI LG816668711

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816668711

Diamond specifications and retailer prices

From $143 USD
As of October 30, 2026
Save $958 USD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,101 USD at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816668711 or 816668711. Listed at 13 retailers as of October 29, 2026, with prices from $143 to $1,101, a $958 spread on the same certified stone. Taylor and Hart lists it at $1,101. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816668711
Dimensions8.44 × 4.15 × 2.60 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm4.15 mm0.51 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816668711
Side View
Table 62.0%Crown 32.5°Girdle: STK-THKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
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: $143 USD|Low: $137 USD|High: $1,101 USD|Avg: $467 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 1$143 USD
Retailer 2$160 USD
Retailer 11$166 USD
Retailer 6$177 USD
Retailer 5$303 USD
Retailer 7$320 USD
Retailer 3$328 USD
Retailer 8$450 USD
Retailer 9$569 USD
Retailer 12$601 USD
Retailer 4$688 USD
Retailer 10$829 USD
Taylor and Hart$1,101 USD

41 data points across 13 retailers

13 retailers$143 USD to $1,101 USD

A
Cheapest Retailer
-
$143 USD
A
Retailer 2
-
$160 USD
View
Final sale: no returns
A
Retailer 3
-
$166 USD
View
A
Retailer 4
-
$177 USD
View
B+
Retailer 5
-
$303 USD
£239 GBP
View
B+
Retailer 6
-
$320 USD
ZAR 5,168 ZAR
View
B+
Retailer 7
-
$328 USD
View
B+
Retailer 8
-
$450 USD
A$693 AUD
View
B
Retailer 9
-
$569 USD
View
B
Retailer 10
-
$601 USD
View
B
Retailer 11
-
$688 USD
SGD 930 SGD
View
B
Retailer 12
-
$829 USD
£653 GBP
View
Most Expensive
B
Taylor and Hart
DCDD9RJ · Oct 29
$1,101 USD
View
12 more retailers have this diamond
Prices start from $143 USDSave up to $958 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
0.51ct Marquise
$143 USD