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Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1242017096

Certificate GIA 1242017096

Diamond specifications and retailer prices

From $9,029 SGD
$7,060 USD
As of November 1, 2026
Save $3,678 SGD (29%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $19,934 SGD at NZ Jewellers · As of September 28, 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 1242017096. Listed at 14 retailers as of November 1, 2026, with a 41% 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
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242017096
Dimensions7.27 × 7.31 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.27 mm7.31 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242017096
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°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: $11,637 SGD|Low: $9,029 SGD|High: $16,811 SGD|Avg: $11,599 SGD|+6.2%
Retailer 1
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
November 2, 2026
Retailer 4$9,029 SGD
Retailer 6$9,589 SGD
Retailer 5$9,786 SGD
Retailer 9$9,968 SGD
Retailer 2$10,621 SGD
Retailer 14$11,050 SGD
Retailer 1$11,637 SGD
Retailer 10$11,843 SGD
Retailer 11$11,843 SGD
Retailer 12$12,239 SGD
Retailer 7$12,321 SGD
Retailer 3$12,707 SGD
Retailer 13$13,124 SGD
Retailer 8$16,811 SGD

38 data points across 14 retailers

14 retailers$9,029 SGD to $12,707 SGD

B+
Cheapest Retailer
-
$9,029 SGD
$7,060 USD
B+
Retailer 2
-
$9,589 SGD
$7,498 USD
View
B+
Retailer 3
-
$9,786 SGD
CA$10,627 CAD
View
Retailer 4
-
$10,798 SGD
$8,443 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$10,964 SGD
$8,573 USD
View
Price last confirmed 34 days ago
B+
Retailer 6
-
$11,050 SGD
$8,640 USD
View
B
Retailer 7
-
$11,444 SGD
$8,948 USD
View
B+
Retailer 8
-
$11,637 SGD
£7,165 GBP
View
B+
Retailer 9
-
$12,321 SGD
€9,175 EUR
View
Retailer 10
-
$12,459 SGD
$9,742 USD
View
Price last confirmed 34 days ago
B
Retailer 11
-
$12,707 SGD
$9,936 USD
View
Retailer 12
-
$13,124 SGD
$10,262 USD
View
Price last confirmed 32 days ago
Retailer 13
-
$16,811 SGD
£10,350 GBP
View
Price last confirmed 32 days ago
Most Expensive
NZ Jewellers
cd07d860-0138-4b01-aa21-a8bee6ea6b1c · Sep 28
$19,934 SGD
$15,587 USD
View
Price last confirmed 35 days ago
13 more retailers have this diamond
Prices start from $9,029 SGDSave up to $3,678 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
$9,029 SGD