CaratHunter
Plans
Radiant|Natural|GIA

1.51ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555953779

Certificate GIA 1555953779

Diamond specifications and retailer prices

From $5,011 USD
Save $6,044 USD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,055 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 1555953779. Listed at 19 retailers, with prices from $5,011 to $11,055 at NZ Jewellers, a $6,044 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555953779
Dimensions7.67 × 5.51 × 3.84 mm
L/W Ratio1.39
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cavity, Feather, Needle
Top View
7.67 mm5.51 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555953779
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.7%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $11,055 USD|Low: $4,787 USD|High: $11,055 USD|Avg: $6,442 USD|+3.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 1, 2026
Retailer 3$5,011 USD
Retailer 19$5,025 USD
Retailer 20$5,273 USD
Retailer 6$5,629 USD
Retailer 11$5,775 USD
Retailer 2$5,879 USD
Retailer 8$5,988 USD
Retailer 17$5,988 USD
Retailer 7$6,303 USD
Retailer 9$6,376 USD
Retailer 10$6,428 USD
Retailer 15$6,464 USD
Retailer 12$6,720 USD
Retailer 4$6,740 USD
Retailer 13$6,740 USD
Retailer 5$6,909 USD
Retailer 14$7,085 USD
Retailer 18$9,673 USD
Retailer 16$9,855 USD
NZ Jewellers$11,055 USD

22 data points across 20 retailers

19 retailers$5,011 USD to $11,055 USD

B+
Cheapest Retailer
-
$5,011 USD
B+
Retailer 2
-
$5,025 USD
View
B+
Retailer 3
-
$5,273 USD
View
B+
Retailer 4
-
$5,629 USD
CA$7,818 CAD
View
B
Retailer 5
-
$5,879 USD
View
B+
Retailer 6
-
$5,988 USD
View
B
Retailer 7
-
$5,988 USD
View
B
Retailer 8
-
$6,303 USD
View
B
Retailer 9
-
$6,376 USD
View
B
Retailer 10
-
$6,442 USD
£5,072 GBP
View
B
Retailer 11
-
$6,464 USD
£5,090 GBP
View
B
Retailer 12
-
$6,720 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$6,740 USD
View
B
Retailer 14
-
$6,740 USD
View
B
Retailer 15
-
$6,909 USD
View
B
Retailer 16
-
$7,085 USD
€6,748 EUR
View
C
Retailer 17
-
$9,673 USD
View
C
Retailer 18
-
$9,855 USD
£7,760 GBP
View
Most Expensive
C
NZ Jewellers
b5fb063a-0e66-4ff6-9f5c-249a2b159152 · Sep 29
$11,055 USD
View
18 more retailers have this diamond
Prices start from $5,011 USDSave up to $6,044 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.

B+
1.51ct Radiant
$5,011 USD