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Marquise|Lab Grown|IGI

0.51ct E VVS2 Marquise Lab Grown Diamond

EX • E/VVS2 • IGI LG737545178

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG737545178

Diamond specifications and retailer prices

From $185 USD
As of October 30, 2026
Save $961 USD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,146 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG737545178 or 737545178. Listed at 19 retailers as of October 30, 2026, with prices from $185 to $1,146, a $961 spread on the same certified stone. Reve Diamonds lists it at $1,146. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737545178
Dimensions8.97 × 4.06 × 2.53 mm
L/W Ratio2.21
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.97 mm4.06 mm0.51 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG737545178
Side View
Table 60.0%Crown 32.9°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $414 USD|Low: $178 USD|High: $1,086 USD|Avg: $430 USD|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 11$185 USD
Retailer 6$207 USD
Retailer 3$215 USD
Retailer 4$230 USD
Retailer 14$230 USD
Retailer 12$322 USD
Retailer 7$386 USD
Retailer 1$414 USD
Retailer 9$415 USD
Retailer 13$440 USD
Retailer 5$523 USD
Retailer 2$738 USD
Retailer 10$779 USD
Retailer 8$1,078 USD

44 data points across 14 retailers

19 retailers$185 USD to $1,146 USD

A
Cheapest Retailer
-
$185 USD
A
Retailer 2
-
$207 USD
View
Final sale: no returns
A
Retailer 3
-
$215 USD
View
A
Retailer 4
-
$230 USD
View
A
Retailer 5
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$230 USD
View
A
Retailer 6
-
$238 USD
View
B+
Retailer 7
-
$322 USD
View
B+
Retailer 8
-
$386 USD
€368 EUR
View
B+
Retailer 9
-
$414 USD
£326 GBP
View
B+
Retailer 10
-
$415 USD
ZAR 6,703 ZAR
View
B
Retailer 11
-
$440 USD
View
B
Retailer 12
-
$523 USD
View
B
Retailer 13
-
$625 USD
SGD 844 SGD
View
B
Retailer 14
-
$738 USD
View
B
Retailer 15
-
$779 USD
View
B
Retailer 16
-
$783 USD
View
B
Retailer 17
-
$792 USD
View
B
Retailer 18
-
$1,078 USD
£849 GBP
View
Most Expensive
B
Reve Diamonds
100CD9A70 · Oct 30
$1,146 USD
View
18 more retailers have this diamond
Prices start from $185 USDSave up to $961 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
$185 USD