CaratHunter
Plans
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 €165 EUR
$185 USD
As of October 30, 2026
Save €857 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,022 EUR at Reve Diamonds · As of November 1, 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 €165 to €1,022, a €857 spread on the same certified stone. Reve Diamonds lists it at €1,022. 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
Colour
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

How it works →
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: €372 EUR|Low: €159 EUR|High: €968 EUR|Avg: €384 EUR|+2.9%
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
November 1, 2026
Retailer 11€165 EUR
Retailer 6€185 EUR
Retailer 3€192 EUR
Retailer 4€205 EUR
Retailer 14€205 EUR
Retailer 12€287 EUR
Retailer 9€345 EUR
Retailer 8€367 EUR
Retailer 1€372 EUR
Retailer 13€392 EUR
Retailer 5€466 EUR
Retailer 2€658 EUR
Retailer 10€695 EUR
Retailer 7€957 EUR

44 data points across 14 retailers

19 retailers€165 EUR to €1,022 EUR

A
Cheapest Retailer
-
€165 EUR
$185 USD
A
Retailer 2
-
€185 EUR
$207 USD
View
Final sale: no returns
A
Retailer 3
-
€192 EUR
$215 USD
View
Retailer 4
-
€205 EUR
$230 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€205 EUR
$230 USD
View
A
Retailer 6
-
€212 EUR
$238 USD
View
B+
Retailer 7
-
€287 EUR
$322 USD
View
B+
Retailer 8
-
€345 EUR
View
B+
Retailer 9
-
€367 EUR
£324 GBP
View
B+
Retailer 10
-
€372 EUR
ZAR 6,738 ZAR
View
B
Retailer 11
-
€392 EUR
$440 USD
View
B
Retailer 12
-
€466 EUR
$523 USD
View
B
Retailer 13
-
€557 EUR
SGD 844 SGD
View
B
Retailer 14
-
€658 EUR
$738 USD
View
B
Retailer 15
-
€695 EUR
$779 USD
View
B
Retailer 16
-
€698 EUR
$783 USD
View
B
Retailer 17
-
€706 EUR
$792 USD
View
B
Retailer 18
-
€957 EUR
£845 GBP
View
Most Expensive
B
Reve Diamonds
100CD9A70 · Nov 1
€1,022 EUR
$1,146 USD
View
18 more retailers have this diamond
Prices start from €165 EURSave up to €857 EUR

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
€165 EUR