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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6542368669

Certificate GIA 6542368669

Diamond specifications and retailer prices

From $7,687 SGD
A$9,250 AUD
As of November 1, 2026
Save $8,862 SGD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $16,549 SGD at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6542368669. Listed at 17 retailers as of October 30, 2026, with prices from $7,687 to $16,549, a $8,862 spread on the same certified stone. NZ Jewellers lists it at $16,549. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542368669
Dimensions7.29 × 7.34 × 4.59 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.29 mm7.34 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542368669
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

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: $16,549 SGD|Low: $5,456 SGD|High: $16,549 SGD|Avg: $9,992 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 9$5,456 SGD
Retailer 15$7,817 SGD
Retailer 4$8,274 SGD
Retailer 14$8,274 SGD
Retailer 17$8,964 SGD
Retailer 16$9,102 SGD
Retailer 12$9,132 SGD
Retailer 10$9,265 SGD
Retailer 5$9,933 SGD
Retailer 6$9,933 SGD
Retailer 13$9,973 SGD
Retailer 11$10,228 SGD
Retailer 7$10,266 SGD
Retailer 3$10,342 SGD
Retailer 8$10,902 SGD
Retailer 2$13,789 SGD
NZ Jewellers$16,549 SGD

40 data points across 17 retailers

17 retailers$7,687 SGD to $16,549 SGD

B+
Cheapest Retailer
-
$7,687 SGD
A$9,250 AUD
B+
Retailer 2
-
$7,817 SGD
$6,115 USD
View
B+
Retailer 3
-
$8,274 SGD
$6,472 USD
View
B+
Retailer 4
-
$8,274 SGD
$6,472 USD
View
Final sale: no returns
B+
Retailer 5
-
$8,964 SGD
$7,012 USD
View
B+
Retailer 6
-
$9,102 SGD
$7,120 USD
View
B+
Retailer 7
-
$9,132 SGD
$7,143 USD
View
B+
Retailer 8
-
$9,265 SGD
£5,707 GBP
View
B+
Retailer 9
-
$9,933 SGD
$7,770 USD
View
B+
Retailer 10
-
$9,933 SGD
$7,770 USD
View
B+
Retailer 11
-
$9,973 SGD
$7,801 USD
View
B+
Retailer 12
-
$10,228 SGD
€7,620 EUR
View
B
Retailer 13
-
$10,266 SGD
$8,030 USD
View
B
Retailer 14
-
$10,342 SGD
$8,090 USD
View
Retailer 15
-
$10,902 SGD
$8,528 USD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$13,789 SGD
£8,493 GBP
View
Most Expensive
B
NZ Jewellers
3f48afd1-8abf-450b-a82f-d6648a2087b1 · Oct 30
$16,549 SGD
$12,945 USD
View
16 more retailers have this diamond
Prices start from $7,687 SGDSave up to $8,862 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
$7,687 SGD