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Radiant|Natural|GIA

2.50ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1553785126

Certificate GIA 1553785126

Diamond specifications and retailer prices

From $19,688 USD
As of October 31, 2026
Save $4,002 USD (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $23,690 USD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553785126. Listed at 4 retailers as of October 30, 2026, with prices from $19,688 to $23,690, a $4,002 spread on the same certified stone. 77 Diamonds lists it at $23,690. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553785126
Dimensions8.89 × 6.84 × 4.57 mm
L/W Ratio1.30
Top View
8.89 mm6.84 mm2.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553785126
Side View
Table 71.0%CrownGirdlePavilionCuletDepth 66.8%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $23,690 USD|Low: $19,688 USD|High: $23,929 USD|Avg: $21,784 USD|+1.4%
77 Diamonds
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$19,688 USD
Retailer 2$22,046 USD
77 Diamonds$23,690 USD

36 data points across 3 retailers

4 retailers$19,688 USD to $23,690 USD

B+
Cheapest Retailer
-
$19,688 USD
B+
Retailer 2
-
$20,139 USD
A$30,983 AUD
View
B+
Retailer 3
-
$22,046 USD
View
Most Expensive
B+
77 Diamonds
RADMBYW8AXVRW · Oct 30
$23,690 USD
£18,654 GBP
View
3 more retailers have this diamond
Prices start from $19,688 USDSave up to $4,002 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
$19,688 USD