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Round|Lab Grown|IGI

0.51ct E SI2 Round Lab Grown Diamond

VG • E/SI2 • IGI LG849637020

Certificate IGI LG849637020

Diamond specifications and retailer prices

From $173 NZD
As of November 5, 2026
Save $1,239 NZD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,412 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG849637020 or 849637020. Listed at 7 retailers as of November 4, 2026, with prices from $173 to $1,412, a $1,239 spread on the same certified stone. MOH London lists it at $1,412. 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
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG849637020
Dimensions5.04 × 5.08 × 3.10 mm
L/W Ratio1.01
Top View
5.04 mm5.08 mm0.51 ctE / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG849637020
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 61.2%

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: Nov 5
Current: $1,412 NZD|Low: $173 NZD|High: $1,412 NZD|Avg: $512 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2$173 NZD
Retailer 5$228 NZD
Retailer 3$411 NZD
Retailer 4$418 NZD
Retailer 6$551 NZD
MOH London$1,412 NZD

4 data points across 6 retailers

7 retailers$173 NZD to $1,412 NZD

A
Cheapest Retailer
-
$173 NZD
Final sale: no returns
B+
Retailer 2
-
$228 NZD
View
B+
Retailer 3
-
$411 NZD
View
B+
Retailer 4
-
$418 NZD
View
B
Retailer 5
-
$534 NZD
View
B
Retailer 6
-
$551 NZD
View
Most Expensive
C
MOH London
LG849637020 · Nov 4
$1,412 NZD
£625 GBP
View
6 more retailers have this diamond
Prices start from $173 NZDSave up to $1,239 NZD

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 Round
$173 NZD