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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 3565212622

Certificate GIA 3565212622

Diamond specifications and retailer prices

From $16,297 USD
As of October 29, 2026
Save $12,646 USD (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $28,943 USD at MOH London · As of October 26, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565212622. Listed at 19 retailers as of October 26, 2026, with prices from $16,297 to $28,943, a $12,646 spread on the same certified stone. MOH London lists it at $28,943. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3565212622
Dimensions8.71 × 8.78 × 5.35 mm
L/W Ratio1.01
Key to symbols
Twinning Wisp, Feather, Cloud
Top View
8.71 mm8.78 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565212622
Side View
Table 58.0%Crown 33°Girdle: STK-STKPavilion 41.2°Culet: NoneDepth 61.2%

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 29
Current: $28,943 USD|Low: $16,297 USD|High: $30,005 USD|Avg: $20,898 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 6$16,297 USD
Retailer 4$17,183 USD
Retailer 10$17,548 USD
Retailer 17$17,735 USD
Retailer 2$19,042 USD
Retailer 13$19,433 USD
Retailer 5$19,892 USD
Retailer 15$20,050 USD
Retailer 8$20,520 USD
Retailer 18$20,520 USD
Retailer 16$20,821 USD
Retailer 3$21,200 USD
Retailer 9$21,761 USD
Retailer 12$22,384 USD
Retailer 7$22,452 USD
Retailer 11$22,895 USD
Retailer 14$26,219 USD
MOH London$28,943 USD

32 data points across 18 retailers

19 retailers$16,297 USD to $28,943 USD

A
Cheapest Retailer
-
$16,297 USD
A
Retailer 2
-
$17,139 USD
View
A
Retailer 3
-
$17,183 USD
View
A
Retailer 4
-
$17,548 USD
CA$24,373 CAD
View
A
Retailer 5
-
$17,735 USD
View
Final sale: no returns
A
Retailer 6
-
$19,042 USD
£14,994 GBP
View
B+
Retailer 7
-
$19,433 USD
View
B+
Retailer 8
-
$19,892 USD
View
B+
Retailer 9
-
$20,050 USD
View
B+
Retailer 10
-
$20,520 USD
View
B+
Retailer 11
-
$20,520 USD
View
B+
Retailer 12
-
$20,821 USD
View
B+
Retailer 13
-
$21,200 USD
View
B+
Retailer 14
-
$21,761 USD
View
B+
Retailer 15
-
$22,384 USD
€21,318 EUR
View
B+
Retailer 16
-
$22,452 USD
View
B+
Retailer 17
-
$22,895 USD
£18,027 GBP
View
B
Retailer 18
-
$26,219 USD
View
Most Expensive
B
MOH London
C19B973B4 · Oct 26
$28,943 USD
£22,790 GBP
View
18 more retailers have this diamond
Prices start from $16,297 USDSave up to $12,646 USD

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
$16,297 USD