CaratHunter
Plans
Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2231531483

Certificate GIA 2231531483

Diamond specifications and retailer prices

From $6,501 SGD
$5,083 USD
As of November 1, 2026
Save $7,258 SGD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $13,758 SGD at NZ Jewellers · As of September 18, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231531483. Listed at 19 retailers as of November 1, 2026, with a 112% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2231531483
Dimensions7.33 × 7.30 × 4.56 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Top View
7.33 mm7.30 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231531483
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $13,758 SGD|Low: $6,305 SGD|High: $13,758 SGD|Avg: $8,819 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 6$6,529 SGD
Retailer 7$6,878 SGD
Retailer 8$7,452 SGD
Retailer 9$7,452 SGD
Retailer 10$7,452 SGD
Retailer 2$7,838 SGD
Retailer 11$8,599 SGD
Retailer 3$8,887 SGD
Retailer 4$8,965 SGD
Retailer 5$12,120 SGD
NZ Jewellers$13,758 SGD

41 data points across 11 retailers

19 retailers$6,501 SGD to $13,758 SGD

A
Cheapest Retailer
-
$6,501 SGD
$5,083 USD
A
Retailer 2
-
$6,529 SGD
$5,105 USD
View
A
Retailer 3
-
$6,878 SGD
$5,378 USD
View
Final sale: no returns
A
Retailer 4
-
$7,452 SGD
$5,827 USD
View
A
Retailer 5
-
$7,452 SGD
$5,827 USD
View
Retailer 6
-
$7,452 SGD
$5,827 USD
View
Price last confirmed 46 days ago
A
Retailer 7
-
$7,452 SGD
$5,827 USD
View
A
Retailer 8
-
$7,838 SGD
£4,826 GBP
View
Retailer 9
-
$8,599 SGD
$6,724 USD
View
Price last confirmed 46 days ago
B+
Retailer 10
-
$8,599 SGD
$6,724 USD
View
B+
Retailer 11
-
$8,658 SGD
$6,770 USD
View
B+
Retailer 12
-
$8,658 SGD
$6,770 USD
View
B+
Retailer 13
-
$8,887 SGD
$6,949 USD
View
B+
Retailer 14
-
$8,952 SGD
$7,000 USD
View
B+
Retailer 15
-
$8,965 SGD
€6,676 EUR
View
Retailer 16
-
$9,069 SGD
$7,091 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
$12,120 SGD
£7,462 GBP
View
B
Retailer 18
-
$13,758 SGD
$10,758 USD
View
Most Expensive
NZ Jewellers
7aaba094-6183-4942-b78e-fd6fa58c6b60 · Sep 18
$13,758 SGD
$10,758 USD
View
Price last confirmed 45 days ago
18 more retailers have this diamond
Prices start from $6,501 SGDSave up to $7,258 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.

A
1.51ct Round
$6,501 SGD