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Radiant|Natural|GIA

1.51ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 6565327592

Certificate GIA 6565327592

Diamond specifications and retailer prices

From $3,888 USD
Save $4,734 USD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,622 USD at NZ Jewellers
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two 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 6565327592. Listed at 10 retailers, with prices from $3,888 to $8,622 at NZ Jewellers, a $4,734 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

1.51
Carat
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565327592
Dimensions7.83 × 5.68 × 3.89 mm
L/W Ratio1.38
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp, Cloud, Needle
Top View
7.83 mm5.68 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6565327592
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

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: $8,622 USD|Low: $3,888 USD|High: $8,622 USD|Avg: $5,401 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 1, 2026
Retailer 10$3,888 USD
Retailer 7$3,942 USD
Retailer 3$4,116 USD
Retailer 9$4,793 USD
Retailer 8$5,066 USD
Retailer 2$5,155 USD
Retailer 4$5,155 USD
Retailer 5$5,408 USD
Retailer 6$8,310 USD
NZ Jewellers$8,622 USD

9 data points across 10 retailers

10 retailers$3,888 USD to $8,622 USD

B+
Cheapest Retailer
-
$3,888 USD
B+
Retailer 2
-
$3,942 USD
HK$30,800 HKD
View
A
Retailer 3
-
$4,116 USD
₹391,981 INR
View
B+
Retailer 4
-
$4,793 USD
View
B+
Retailer 5
-
$5,066 USD
SGD 6,846 SGD
View
B+
Retailer 6
-
$5,155 USD
View
B+
Retailer 7
-
$5,155 USD
View
B+
Retailer 8
-
$5,408 USD
View
B
Retailer 9
-
$8,310 USD
£6,543 GBP
View
Most Expensive
B
NZ Jewellers
99a6744d-205f-48ea-9b83-5f6e720349bc · Sep 29
$8,622 USD
View
9 more retailers have this diamond
Prices start from $3,888 USDSave up to $4,734 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
1.51ct Radiant
$3,888 USD