Radiant|Natural|GIA

2.50ct H SI1 Radiant Natural Diamond

EX • H/SI1

Diamond specifications and retailer prices

From $21,702 USD
CA$30,142 CAD
As of October 30, 2026
Save $5,210 USD (19%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $26,912 USD at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

About this 2.5ct natural radiant diamond

This 2.5ct natural radiant sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 4 retailers as of October 30, 2026, with prices from $21,702 to $26,912, a $5,210 spread on the same certified stone. The Diamond Guys lists it at $26,912. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions9.13 × 7.03 × 4.55 mm
L/W Ratio1.30
Top View
9.13 mm7.03 mm2.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 71.0%CrownGirdle: Slightly ThickPavilionCuletDepth 64.7%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $25,056 USD|Low: $21,702 USD|High: $26,912 USD|Avg: $24,736 USD
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
October 6, 2026
Retailer 2$21,702 USD
Retailer 1$25,056 USD
Retailer 3$25,272 USD
The Diamond Guys$26,912 USD

2 data points across 4 retailers

4 retailers$21,702 USD to $26,912 USD

B+
Cheapest Retailer
-
$21,702 USD
CA$30,142 CAD
B
Retailer 2
-
$25,056 USD
View
Retailer 3
-
$25,272 USD
View
Price last confirmed 30 days ago
Most Expensive
B
The Diamond Guys
1988563192 · Oct 31
$26,912 USD
View
3 more retailers have this diamond
Prices start from $21,702 USDSave up to $5,210 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.

B+
2.50ct Radiant
$21,702 USD