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Oval|Lab Grown|IGI

0.51ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG436044371

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436044371

Diamond specifications and retailer prices

From $633 NZD
As of November 5, 2026
Save $777 NZD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,072 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436044371 or 436044371. Listed at 12 retailers as of November 5, 2026, with a 123% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436044371
Dimensions6.16 × 4.61 × 2.82 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.16 mm4.61 mm0.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436044371
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

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: Nov 5
Current: $3,072 NZD|Low: $444 NZD|High: $3,109 NZD|Avg: $1,192 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$444 NZD
Retailer 6$633 NZD
Retailer 7$685 NZD
Retailer 10$709 NZD
Retailer 8$787 NZD
Retailer 11$787 NZD
Retailer 9$1,261 NZD
Retailer 4$1,400 NZD
Retailer 2$1,411 NZD
Retailer 5$2,305 NZD
MOH London$3,072 NZD

43 data points across 11 retailers

12 retailers$633 NZD to $1,411 NZD

B+
Cheapest Retailer
-
$633 NZD
B+
Retailer 2
-
$685 NZD
View
B+
Retailer 3
-
$709 NZD
View
Final sale: no returns
B
Retailer 4
-
$736 NZD
View
B+
Retailer 5
-
$787 NZD
View
Retailer 6
-
$787 NZD
View
Price last confirmed 12 days ago
B
Retailer 7
-
$1,261 NZD
View
B
Retailer 8
-
$1,400 NZD
View
B
Retailer 9
-
$1,411 NZD
View
Retailer 10
-
$2,305 NZD
View
Price under review
Retailer 11
-
$2,527 NZD
View
Price under review
Most Expensive
MOH London
LG436044371 · Nov 3
$3,072 NZD
£1,341 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $633 NZDSave up to $777 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.

B+
0.51ct Oval
$633 NZD