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Round|Natural|GIA

2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6541688190

Certificate GIA 6541688190

Diamond specifications and retailer prices

From $28,624 SGD
$22,382 USD
As of November 2, 2026
Save $6,776 SGD (19%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $35,400 SGD at Jared · As of November 2, 2026
View at Jared

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541688190. Listed at 7 retailers as of November 2, 2026, with prices from $28,624 to $35,400, a $6,776 spread on the same certified stone. Jared lists it at $35,400. 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

2.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6541688190
Dimensions8.62 × 8.67 × 5.40 mm
L/W Ratio1.01
Top View
8.62 mm8.67 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541688190
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.5%

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 2
Current: $35,400 SGD|Low: $28,358 SGD|High: $38,885 SGD|Avg: $33,967 SGD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 5$28,624 SGD
Retailer 3$28,699 SGD
Retailer 7$30,804 SGD
Retailer 4$33,218 SGD
Retailer 8$34,262 SGD
Retailer 9$34,262 SGD
Jared$35,400 SGD
Retailer 6$37,946 SGD
Retailer 2$38,764 SGD

20 data points across 9 retailers

7 retailers$28,624 SGD to $35,400 SGD

A
Cheapest Retailer
-
$28,624 SGD
$22,382 USD
A
Retailer 2
-
$28,699 SGD
$22,440 USD
View
B+
Retailer 3
-
$30,804 SGD
$24,086 USD
View
B+
Retailer 4
-
$33,218 SGD
$25,974 USD
View
B+
Retailer 5
-
$34,262 SGD
$26,790 USD
View
B+
Retailer 6
-
$34,262 SGD
$26,790 USD
View
Most Expensive
B+
Jared
158574005 · Nov 2
$35,400 SGD
$27,680 USD
View
6 more retailers have this diamond
Prices start from $28,624 SGDSave up to $6,776 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
2.51ct Round
$28,624 SGD