Radiant|Natural|GIA

0.91ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 2557190553

Certificate GIA 2557190553

Diamond specifications and retailer prices

From $909 USD
HK$7,100 HKD
As of October 30, 2026
Save $2,256 USD (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,164 USD at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 0.91ct natural radiant diamond

This 0.91ct natural radiant sits in the just-under-one-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 2557190553. Listed at 14 retailers as of October 30, 2026, with prices from $909 to $3,164, a $2,256 spread on the same certified stone. Moon Ocean lists it at $3,164. 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

0.91
Carat
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557190553
Dimensions6.28 × 4.89 × 3.38 mm
L/W Ratio1.28
Top View
6.28 mm4.89 mm0.91 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557190553
Side View
Table 60.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 69.1%

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 30
Current: $3,164 USD|Low: $895 USD|High: $3,262 USD|Avg: $1,550 USD|-3.0%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$909 USD
Retailer 2$919 USD
Retailer 3$1,125 USD
Retailer 6$1,219 USD
Retailer 5$1,266 USD
Retailer 12$1,272 USD
Retailer 4$1,326 USD
Retailer 11$1,359 USD
Retailer 9$1,407 USD
Retailer 7$2,245 USD
Retailer 8$2,973 USD
Moon Ocean$3,164 USD

34 data points across 12 retailers

14 retailers$909 USD to $3,164 USD

A
Cheapest Retailer
-
$909 USD
HK$7,100 HKD
A
Retailer 2
-
$919 USD
₹87,497 INR
View
B+
Retailer 3
-
$1,125 USD
View
Final sale: no returns
A
Retailer 4
-
$1,219 USD
View
A
Retailer 5
-
$1,266 USD
View
A
Retailer 6
-
$1,272 USD
SGD 1,719 SGD
View
A
Retailer 7
-
$1,326 USD
View
A
Retailer 8
-
$1,359 USD
View
B+
Retailer 9
-
$1,407 USD
View
Retailer 10
-
$1,407 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$1,500 USD
A$2,308 AUD
View
B+
Retailer 12
-
$2,245 USD
£1,768 GBP
View
B
Retailer 13
-
$2,973 USD
View
Most Expensive
B
Moon Ocean
NVN-A2691B20A-553 · Oct 30
$3,164 USD
£2,492 GBP
View
13 more retailers have this diamond
Prices start from $909 USDSave up to $2,256 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
0.91ct Radiant
$909 USD