Radiant|Natural|GIA

1.30ct H SI1 Radiant Natural Diamond

ID • H/SI1 • GIA 1232773172

Certificate GIA 1232773172

Diamond specifications and retailer prices

From $3,891 USD
Save $3,897 USD (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,788 USD at MOH London
View at MOH London

About this 1.3ct natural radiant diamond

This 1.3ct natural radiant sits in the one-and-a-quarter to one-and-a-half 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 1232773172. Listed at 11 retailers, with prices from $3,891 to $7,788 at MOH London, a $3,897 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

1.30
Carat
H
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.78°
Pavilion angle33.25°
OriginNatural
Grading LabGIA
CertificateGIA 1232773172
Dimensions6.82 × 5.38 × 3.80 mm
L/W Ratio1.27
Girdle conditionVery Thick
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
6.82 mm5.38 mm1.30 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1232773172
Side View
Table 69.0%Crown 45.78°Girdle: ThickPavilion 33.25°Culet: NoneDepth 70.6%

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: $7,788 USD|Low: $3,136 USD|High: $7,788 USD|Avg: $4,534 USD|+6.8%
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
October 1, 2026
Retailer 5$3,136 USD
Retailer 4$3,474 USD
Retailer 9$3,891 USD
Retailer 12$4,353 USD
Retailer 3$4,730 USD
Retailer 10$4,777 USD
Retailer 2$4,830 USD
Retailer 11$4,830 USD
Retailer 7$4,875 USD
Retailer 13$5,335 USD
Retailer 6$5,364 USD
Retailer 8$5,826 USD
MOH London$7,788 USD

28 data points across 13 retailers

11 retailers$3,891 USD to $7,788 USD

A
Cheapest Retailer
-
$3,891 USD
B+
Retailer 2
-
$4,353 USD
View
B+
Retailer 3
-
$4,730 USD
View
Price last confirmed 12 days ago
B
Retailer 4
-
$4,788 USD
£3,770 GBP
View
B+
Retailer 5
-
$4,830 USD
View
B
Retailer 6
-
$4,830 USD
View
B
Retailer 7
-
$4,875 USD
A$7,501 AUD
View
B
Retailer 8
-
$5,335 USD
View
B
Retailer 9
-
$5,364 USD
€5,109 EUR
View
B
Retailer 10
-
$5,826 USD
ZAR 94,112 ZAR
View
Most Expensive
B
MOH London
9227D4C61 · Oct 1
$7,788 USD
£6,132 GBP
View
10 more retailers have this diamond
Prices start from $3,891 USDSave up to $3,897 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
1.30ct Radiant
$3,891 USD