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Round|Natural|GIA

2.50ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6505870936

Certificate GIA 6505870936

Diamond specifications and retailer prices

From $21,840 USD
Save $21,020 USD (49%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $42,860 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505870936. Listed at 24 retailers, with prices from $21,840 to $42,860 at MOH London, a $21,020 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6505870936
Dimensions8.68 × 8.73 × 5.32 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
8.68 mm8.73 mm2.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6505870936
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $42,860 USD|Low: $21,840 USD|High: $42,860 USD|Avg: $29,925 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
October 1, 2026
Retailer 3$21,840 USD
Retailer 11$23,869 USD
Retailer 8$24,594 USD
Retailer 2$26,032 USD
Retailer 5$27,205 USD
Retailer 10$27,300 USD
Retailer 9$28,083 USD
Retailer 4$30,800 USD
Retailer 7$31,937 USD
Retailer 12$31,952 USD
Retailer 6$36,799 USD
MOH London$42,860 USD

32 data points across 12 retailers

24 retailers$21,840 USD to $42,860 USD

B+
Cheapest Retailer
-
$21,840 USD
B+
Retailer 2
-
$23,869 USD
View
B+
Retailer 3
-
$24,594 USD
View
B
Retailer 4
-
$24,689 USD
View
B
Retailer 5
-
$24,704 USD
View
B
Retailer 6
-
$25,160 USD
View
B+
Retailer 7
-
$26,032 USD
₹2,479,245 INR
View
B+
Retailer 8
-
$26,380 USD
View
B+
Retailer 9
-
$27,205 USD
A$41,854 AUD
View
B
Retailer 10
-
$27,300 USD
View
B
Retailer 11
-
$27,621 USD
View
B
Retailer 12
-
$28,118 USD
£22,140 GBP
View
B
Retailer 13
-
$28,330 USD
View
B
Retailer 14
-
$28,330 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$28,987 USD
View
B
Retailer 16
-
$29,280 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$29,844 USD
View
B
Retailer 18
-
$30,800 USD
View
B
Retailer 19
-
$31,937 USD
€30,416 EUR
View
B
Retailer 20
-
$31,952 USD
View
B
Retailer 21
-
$32,920 USD
View
B
Retailer 22
-
$34,187 USD
View
B
Retailer 23
-
$36,799 USD
ZAR 594,490 ZAR
View
Most Expensive
B
MOH London
C2FDFE6A9 · Oct 1
$42,860 USD
£33,748 GBP
View
23 more retailers have this diamond
Prices start from $21,840 USDSave up to $21,020 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.

B+
2.50ct Round
$21,840 USD