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1.51ct H I1 Round Natural Diamond

EX • H/I1 • GIA 5513587675

Certificate GIA 5513587675

Diamond specifications and retailer prices

From $6,535 SGD
$5,110 USD
As of November 1, 2026
Save $7,780 SGD (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $14,315 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 5513587675. Listed at 11 retailers as of November 1, 2026, with prices from $6,535 to $14,315, a $7,780 spread on the same certified stone. NZ Jewellers lists it at $14,315. 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 angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5513587675
Dimensions7.46 × 7.40 × 4.51 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
7.46 mm7.40 mm1.51 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5513587675
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.6%

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: $14,315 SGD|Low: $6,535 SGD|High: $14,315 SGD|Avg: $8,652 SGD
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
November 1, 2026
Retailer 6$6,535 SGD
Retailer 8$6,763 SGD
Retailer 12$6,813 SGD
Retailer 7$7,754 SGD
Retailer 9$7,754 SGD
Retailer 11$7,754 SGD
Retailer 3$8,633 SGD
Retailer 4$8,633 SGD
Retailer 5$8,927 SGD
Retailer 10$8,947 SGD
Retailer 2$9,310 SGD
Retailer 13$10,204 SGD
NZ Jewellers$14,315 SGD

21 data points across 13 retailers

11 retailers$6,535 SGD to $14,315 SGD

B+
Cheapest Retailer
-
$6,535 SGD
$5,110 USD
B+
Retailer 2
-
$6,763 SGD
$5,288 USD
View
B
Retailer 3
-
$7,754 SGD
$6,063 USD
View
B
Retailer 4
-
$7,754 SGD
$6,063 USD
View
B
Retailer 5
-
$7,754 SGD
$6,063 USD
View
B
Retailer 6
-
$8,633 SGD
$6,750 USD
View
B
Retailer 7
-
$8,633 SGD
$6,750 USD
View
B
Retailer 8
-
$8,927 SGD
$6,980 USD
View
B
Retailer 9
-
$8,947 SGD
$6,996 USD
View
B
Retailer 10
-
$9,310 SGD
€6,933 EUR
View
Most Expensive
B
NZ Jewellers
47719a08-0a63-4386-9ef9-de956c3aea11 · Nov 2
$14,315 SGD
$11,193 USD
View
10 more retailers have this diamond
Prices start from $6,535 SGDSave up to $7,780 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
$6,535 SGD