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Oval|Natural|GIA

3.12ct J SI1 Oval Natural Diamond

VG • J/SI1 • GIA 6315977731

Certificate GIA 6315977731

Diamond specifications and retailer prices

From $23,790 SGD
$18,609 USD
As of October 31, 2026
Save $6,896 SGD (22%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $30,685 SGD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 3.12ct natural oval diamond

This 3.12ct natural oval sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6315977731. Listed at 2 retailers as of October 31, 2026, with prices from $23,790 to $30,685, a $6,896 spread on the same certified stone. 77 Diamonds lists it at $30,685. 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

3.12
Carat
J
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6315977731
Dimensions11.06 × 7.88 × 5.22 mm
L/W Ratio1.40
Top View
11.06 mm7.88 mm3.12 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6315977731
Side View
Table 56.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 66.2%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $30,685 SGD|Low: $23,790 SGD|High: $30,841 SGD|Avg: $27,372 SGD|-0.5%
77 Diamonds
Retailer 2
November 1, 2026
Retailer 2$23,790 SGD
77 Diamonds$30,685 SGD

13 data points across 2 retailers

2 retailers$23,790 SGD to $30,685 SGD

B+
Cheapest Retailer
-
$23,790 SGD
$18,609 USD
Most Expensive
B
77 Diamonds
OVZYXRHQ8JX · Nov 1
$30,685 SGD
£18,900 GBP
View
1 more retailer has this diamond
Prices start from $23,790 SGDSave up to $6,896 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+
3.12ct Oval
$23,790 SGD