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1.51ct H I1 Round Natural Diamond

EX • H/I1 • GIA 7508226533

Shape and cutting style on the report: Round

Certificate GIA 7508226533

Diamond specifications and retailer prices

From $6,209 SGD
$4,855 USD
As of November 1, 2026
Save $6,934 SGD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,143 SGD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 7508226533. Listed at 10 retailers as of November 1, 2026, with prices from $6,209 to $13,143, a $6,934 spread on the same certified stone. NZ Jewellers lists it at $13,143. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7508226533
Dimensions7.27 × 7.33 × 4.55 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Cert comments
Clouds are not shown. Surface graining is not shown.
Key to symbols
Feather, Crystal, Needle
Top View
7.27 mm7.33 mm1.51 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7508226533
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $13,143 SGD|Low: $6,190 SGD|High: $13,143 SGD|Avg: $8,365 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$6,209 SGD
Retailer 6$6,273 SGD
Retailer 4$6,828 SGD
Retailer 7$7,120 SGD
Retailer 3$7,609 SGD
Retailer 11$7,609 SGD
Retailer 10$7,865 SGD
Retailer 2$8,549 SGD
Retailer 8$9,369 SGD
Retailer 9$12,694 SGD
NZ Jewellers$13,143 SGD

20 data points across 11 retailers

10 retailers$6,209 SGD to $13,143 SGD

B+
Cheapest Retailer
-
$6,209 SGD
$4,855 USD
B+
Retailer 2
-
$6,273 SGD
$4,905 USD
View
B+
Retailer 3
-
$6,828 SGD
$5,339 USD
View
B
Retailer 4
-
$7,120 SGD
$5,567 USD
View
B
Retailer 5
-
$7,120 SGD
$5,567 USD
View
B
Retailer 6
-
$7,609 SGD
$5,950 USD
View
B
Retailer 7
-
$7,609 SGD
$5,950 USD
View
B
Retailer 8
-
$7,865 SGD
$6,150 USD
View
B
Retailer 9
-
$8,549 SGD
€6,366 EUR
View
Most Expensive
B
NZ Jewellers
c68ad40d-a6b9-40d0-a625-a7e781f9967a · Nov 2
$13,143 SGD
$10,277 USD
View
9 more retailers have this diamond
Prices start from $6,209 SGDSave up to $6,934 SGD

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.

B+
1.51ct Round
$6,209 SGD