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Marquise|Lab Grown

0.51ct E SI2 Marquise Lab Grown Diamond

E/SI2 • 27DC3D9EBE

Diamond specifications and retailer prices

From $120 SGD
$94 USD
As of October 30, 2026
Save $357 SGD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $477 SGD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included). Listed at 4 retailers as of October 28, 2026, with prices from $120 to $477, a $357 spread on the same certified stone. NZ Jewellers lists it at $477. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate27DC3D9EBE
Dimensions4.24 × 8.25 × 2.59 mm
L/W Ratio1.95
Top View
4.24 mm8.25 mm0.51 ctE / SI2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate27DC3D9EBE
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $477 SGD|Low: $115 SGD|High: $477 SGD|Avg: $208 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$120 SGD
Retailer 3$138 SGD
Retailer 4$157 SGD
NZ Jewellers$477 SGD

5 data points across 4 retailers

4 retailers$120 SGD to $477 SGD

B+
Cheapest Retailer
-
$120 SGD
$94 USD
B+
Retailer 2
-
$138 SGD
$108 USD
View
B+
Retailer 3
-
$157 SGD
$123 USD
View
Most Expensive
C
NZ Jewellers
d803de67-22f3-4c0a-b613-69cbde0fc99f · Oct 28
$477 SGD
$373 USD
View
3 more retailers have this diamond
Prices start from $120 SGDSave up to $357 SGD

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.

B+
0.51ct Marquise
$120 SGD