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Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6375087784

Certificate GIA 6375087784

Diamond specifications and retailer prices

From $31,456 SGD
$24,535 USD
As of October 27, 2026
Save $23,598 SGD (43%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $55,054 SGD at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6375087784. Listed at 14 retailers as of October 27, 2026, with prices from $31,456 to $55,054, a $23,598 spread on the same certified stone. Diamond Quarter lists it at $55,054. 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

2.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6375087784
Dimensions8.71 × 8.75 × 5.36 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
8.71 mm8.75 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6375087784
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.4%

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 27
Current: $34,865 SGD|Low: $31,456 SGD|High: $54,610 SGD|Avg: $39,055 SGD|-8.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 8$31,456 SGD
Retailer 9$32,449 SGD
Retailer 7$33,617 SGD
Retailer 6$34,776 SGD
Retailer 1$34,865 SGD
Retailer 2$37,778 SGD
Retailer 4$41,543 SGD
Retailer 5$47,522 SGD
Retailer 3$54,249 SGD

41 data points across 9 retailers

14 retailers$31,456 SGD to $55,054 SGD

A
Cheapest Retailer
-
$31,456 SGD
$24,535 USD
A
Retailer 2
-
$32,449 SGD
$25,309 USD
View
A
Retailer 3
-
$33,617 SGD
$26,220 USD
View
A
Retailer 4
-
$34,776 SGD
A$41,730 AUD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$34,865 SGD
£21,413 GBP
View
B+
Retailer 6
-
$35,990 SGD
$28,071 USD
View
Price last confirmed 31 days ago
B+
Retailer 7
-
$36,278 SGD
$28,296 USD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
$37,430 SGD
$29,194 USD
View
Price last confirmed 28 days ago
B+
Retailer 9
-
$37,778 SGD
£23,201 GBP
View
B+
Retailer 10
-
$38,869 SGD
$30,317 USD
View
Price last confirmed 20 days ago
B+
Retailer 11
-
$41,543 SGD
€30,859 EUR
View
B+
Retailer 12
-
$47,522 SGD
ZAR 598,796 ZAR
View
B
Retailer 13
-
$54,249 SGD
£33,317 GBP
View
Most Expensive
B
Diamond Quarter
2.5SI1D638413FDN · Oct 28
$55,054 SGD
£33,812 GBP
View
13 more retailers have this diamond
Prices start from $31,456 SGDSave up to $23,598 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 Round
$31,456 SGD