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Round|Natural|GIA

2.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1555230967

Certificate GIA 1555230967

Diamond specifications and retailer prices

From $17,216 USD
Save $15,438 USD (47%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $32,654 USD at MOH London
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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555230967. Listed at 17 retailers, with prices from $17,216 to $32,654 at MOH London, a $15,438 spread on the same certified stone. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1555230967
Dimensions8.57 × 8.64 × 5.38 mm
L/W Ratio1.01
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
8.57 mm8.64 mm2.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555230967
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $32,654 USD|Low: $17,173 USD|High: $32,654 USD|Avg: $21,968 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
Retailer 19
Retailer 20
October 1, 2026
Retailer 10$17,173 USD
Retailer 20$17,216 USD
Retailer 7$17,331 USD
Retailer 12$17,779 USD
Retailer 3$18,178 USD
Retailer 5$19,181 USD
Retailer 11$19,767 USD
Retailer 16$20,235 USD
Retailer 6$20,659 USD
Retailer 15$21,692 USD
Retailer 18$22,381 USD
Retailer 17$23,242 USD
Retailer 13$23,310 USD
Retailer 8$23,584 USD
Retailer 9$23,828 USD
Retailer 2$24,593 USD
Retailer 14$25,054 USD
Retailer 4$25,731 USD
Retailer 19$29,267 USD
MOH London$32,654 USD

22 data points across 20 retailers

17 retailers$17,216 USD to $32,654 USD

A
Cheapest Retailer
-
$17,216 USD
A
Retailer 2
-
$17,331 USD
HK$135,400 HKD
View
A
Retailer 3
-
$18,178 USD
View
B+
Retailer 4
-
$19,181 USD
View
B+
Retailer 5
-
$19,767 USD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$20,235 USD
View
B+
Retailer 7
-
$21,692 USD
View
B+
Retailer 8
-
$22,381 USD
View
B+
Retailer 9
-
$23,242 USD
View
B+
Retailer 10
-
$23,310 USD
View
B
Retailer 11
-
$23,584 USD
View
B
Retailer 12
-
$23,828 USD
View
B
Retailer 13
-
$24,593 USD
€23,422 EUR
View
B
Retailer 14
-
$25,054 USD
£19,727 GBP
View
B
Retailer 15
-
$25,731 USD
View
B
Retailer 16
-
$29,267 USD
View
Most Expensive
B
MOH London
9A8413118 · Oct 1
$32,654 USD
£25,712 GBP
View
16 more retailers have this diamond
Prices start from $17,216 USDSave up to $15,438 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.

A
2.50ct Round
$17,216 USD