Radiant|Natural|GIA

1.51ct H SI1 Radiant Natural Diamond

GD • H/SI1 • GIA 6515935024

Certificate GIA 6515935024

Diamond specifications and retailer prices

From $4,144 USD
Save $1,656 USD (29%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,430 USD at Jared
View at Jared

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 SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6515935024. Listed at 10 retailers, with a 40% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
H
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6515935024
Dimensions7.19 × 5.73 × 3.92 mm
L/W Ratio1.25
Top View
7.19 mm5.73 mm1.51 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515935024
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $6,430 USD|Low: $4,144 USD|High: $6,430 USD|Avg: $5,305 USD|+8.6%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 1, 2026
Retailer 5$4,144 USD
Retailer 3$4,290 USD
Retailer 11$4,379 USD
Retailer 9$5,065 USD
Retailer 4$5,334 USD
Retailer 7$5,360 USD
Retailer 10$5,426 USD
Retailer 8$5,429 USD
Retailer 2$5,800 USD
Retailer 6$5,800 USD
Jared$6,430 USD

15 data points across 11 retailers

10 retailers$4,144 USD to $5,800 USD

A
Cheapest Retailer
-
$4,144 USD
B+
Retailer 2
-
$4,379 USD
View
Price last confirmed 45 days ago
B+
Retailer 3
-
$5,065 USD
View
B+
Retailer 4
-
$5,334 USD
MYR 21,727 MYR
View
B+
Retailer 5
-
$5,360 USD
View
B+
Retailer 6
-
$5,426 USD
A$8,348 AUD
View
B+
Retailer 7
-
$5,429 USD
SGD 7,336 SGD
View
B+
Retailer 8
-
$5,800 USD
View
B+
Retailer 9
-
$5,800 USD
View
Most Expensive
B
Jared
155617723 · Sep 19
$6,430 USD
View
Price last confirmed 12 days ago
9 more retailers have this diamond
Prices start from $4,144 USDSave up to $1,656 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
$4,144 USD