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Oval|Natural|GIA

2.50ct J SI1 Oval Natural Diamond

GD • J/SI1 • GIA 6555983666

Certificate GIA 6555983666

Diamond specifications and retailer prices

From $10,667 SGD
As of October 31, 2026
Save $9,756 SGD (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $20,424 SGD at With Clarity · As of October 30, 2026
View at With Clarity

About this 2.5ct natural oval diamond

This 2.5ct natural oval sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6555983666. Listed at 11 retailers as of October 30, 2026, with prices from $10,667 to $20,424, a $9,756 spread on the same certified stone. With Clarity lists it at $20,424. 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

2.50
Carat
J
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.97°
Pavilion angle41.04°
OriginNatural
Grading LabGIA
CertificateGIA 6555983666
Dimensions10.02 × 7.35 × 4.99 mm
L/W Ratio1.36
Culet sizeNone
Top View
10.02 mm7.35 mm2.50 ctJ / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555983666
Side View
Table 60.0%Crown 43.97°Girdle: STK-VTKPavilion 41.04°Culet: NoneDepth 67.8%

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: Oct 31
Current: $12,721 SGD|Low: $10,667 SGD|High: $21,475 SGD|Avg: $15,000 SGD|-7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 1, 2026
Retailer 7$10,667 SGD
Retailer 6$11,394 SGD
Retailer 5$12,541 SGD
Retailer 8$12,599 SGD
Retailer 1$12,721 SGD
Retailer 4$14,513 SGD
Retailer 10$14,548 SGD
Retailer 9$14,689 SGD
Retailer 2$15,277 SGD
Retailer 3$17,099 SGD
With Clarity$20,424 SGD

37 data points across 11 retailers

11 retailers$10,667 SGD to $20,424 SGD

A
Cheapest Retailer
-
$10,667 SGD
A
Retailer 2
-
$11,394 SGD
View
B+
Retailer 3
-
$12,541 SGD
$9,810 USD
View
B+
Retailer 4
-
$12,599 SGD
$9,855 USD
View
B+
Retailer 5
-
$12,721 SGD
£7,835 GBP
View
B+
Retailer 6
-
$14,513 SGD
€10,812 EUR
View
B+
Retailer 7
-
$14,548 SGD
$11,380 USD
View
B+
Retailer 8
-
$14,689 SGD
$11,490 USD
View
B+
Retailer 9
-
$15,277 SGD
$11,950 USD
View
B+
Retailer 10
-
$17,099 SGD
$13,375 USD
View
Most Expensive
B
With Clarity
6555983666 · Oct 30
$20,424 SGD
$15,976 USD
View
10 more retailers have this diamond
Prices start from $10,667 SGDSave up to $9,756 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
2.50ct Oval
$10,667 SGD