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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1555796892

Certificate GIA 1555796892

Diamond specifications and retailer prices

From $15,309 USD
HK$119,600 HKD
As of October 29, 2026
Save $12,342 USD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $27,650 USD at MOH London · As of October 29, 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 1555796892. Listed at 15 retailers as of October 29, 2026, with prices from $15,309 to $27,650, a $12,342 spread on the same certified stone. MOH London lists it at $27,650. 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555796892
Dimensions8.57 × 8.61 × 5.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
8.57 mm8.61 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555796892
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.7%

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: $27,650 USD|Low: $15,309 USD|High: $28,796 USD|Avg: $19,716 USD|-3.7%
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
October 30, 2026
Retailer 5$15,309 USD
Retailer 15$16,346 USD
Retailer 3$16,420 USD
Retailer 7$16,876 USD
Retailer 4$17,024 USD
Retailer 12$17,054 USD
Retailer 10$17,114 USD
Retailer 6$17,410 USD
Retailer 9$18,188 USD
Retailer 11$19,272 USD
Retailer 2$21,368 USD
Retailer 8$21,725 USD
Retailer 14$22,098 USD
Retailer 13$24,948 USD
MOH London$27,650 USD

24 data points across 15 retailers

15 retailers$15,309 USD to $27,650 USD

A
Cheapest Retailer
-
$15,309 USD
HK$119,600 HKD
A
Retailer 2
-
$16,346 USD
View
A
Retailer 3
-
$16,420 USD
View
A
Retailer 4
-
$16,876 USD
View
Final sale: no returns
A
Retailer 5
-
$17,024 USD
View
A
Retailer 6
-
$17,054 USD
View
A
Retailer 7
-
$17,114 USD
₹1,629,940 INR
View
A
Retailer 8
-
$17,410 USD
View
A
Retailer 9
-
$18,188 USD
£14,321 GBP
View
B+
Retailer 10
-
$19,272 USD
View
B+
Retailer 11
-
$21,368 USD
€20,350 EUR
View
B+
Retailer 12
-
$21,725 USD
£17,106 GBP
View
B+
Retailer 13
-
$22,098 USD
View
B
Retailer 14
-
$24,948 USD
View
Most Expensive
B
MOH London
A38ADCC24 · Oct 29
$27,650 USD
£21,772 GBP
View
14 more retailers have this diamond
Prices start from $15,309 USDSave up to $12,342 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
$15,309 USD