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Oval|Lab Grown|IGI

0.51ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG407936479

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407936479

Diamond specifications and retailer prices

From $371 SGD
$290 USD
As of October 31, 2026
Save $1,764 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,135 SGD at MOH London · As of November 1, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407936479 or 407936479. Listed at 12 retailers as of October 31, 2026, with prices from $371 to $2,135, a $1,764 spread on the same certified stone. MOH London lists it at $2,135. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle36.2°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407936479
Dimensions6.09 × 4.53 × 2.84 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
6.09 mm4.53 mm0.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407936479
Side View
Table 61.5%Crown 36.2°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,135 SGD|Low: $371 SGD|High: $2,161 SGD|Avg: $974 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4$371 SGD
Retailer 7$430 SGD
Retailer 10$479 SGD
Retailer 8$533 SGD
Retailer 11$533 SGD
Retailer 9$860 SGD
Retailer 2$955 SGD
Retailer 5$960 SGD
Retailer 6$1,562 SGD
Retailer 3$1,946 SGD
MOH London$2,135 SGD

41 data points across 11 retailers

12 retailers$371 SGD to $2,135 SGD

A
Cheapest Retailer
-
$371 SGD
$290 USD
B+
Retailer 2
-
$430 SGD
$336 USD
View
B+
Retailer 3
-
$479 SGD
$375 USD
View
Final sale: no returns
B+
Retailer 4
-
$499 SGD
$390 USD
View
B+
Retailer 5
-
$533 SGD
$417 USD
View
Retailer 6
-
$533 SGD
$417 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$860 SGD
$673 USD
View
B
Retailer 8
-
$955 SGD
£588 GBP
View
B
Retailer 9
-
$1,562 SGD
$1,222 USD
View
B
Retailer 10
-
$1,713 SGD
$1,340 USD
View
B
Retailer 11
-
$1,946 SGD
$1,523 USD
View
Most Expensive
B
MOH London
LG407936479 · Nov 1
$2,135 SGD
£1,315 GBP
View
11 more retailers have this diamond
Prices start from $371 SGDSave up to $1,764 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.

A
0.51ct Oval
$371 SGD