CaratHunter
Plans
Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 7521240383

Certificate GIA 7521240383

Diamond specifications and retailer prices

From $7,504 SGD
$5,870 USD
As of October 31, 2026
Save $7,706 SGD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,036 SGD at NZ Jewellers · As of September 21, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7521240383. Listed at 15 retailers as of October 30, 2026, with a 103% 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7521240383
Dimensions7.30 × 7.26 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.30 mm7.26 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521240383
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.9%

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: Oct 31
Current: $15,210 SGD|Low: $7,504 SGD|High: $15,210 SGD|Avg: $9,866 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
October 30, 2026
Retailer 4$7,504 SGD
Retailer 7$7,687 SGD
Retailer 12$7,867 SGD
Retailer 6$8,234 SGD
Retailer 9$8,472 SGD
Retailer 8$8,747 SGD
Retailer 13$8,775 SGD
Retailer 5$9,243 SGD
Retailer 11$9,243 SGD
Retailer 14$9,550 SGD
Retailer 2$9,937 SGD
Retailer 3$13,314 SGD
Retailer 10$13,471 SGD
NZ Jewellers$15,210 SGD

38 data points across 14 retailers

15 retailers$7,504 SGD to $15,210 SGD

A
Cheapest Retailer
-
$7,504 SGD
$5,870 USD
A
Retailer 2
-
$7,687 SGD
CA$8,351 CAD
View
A
Retailer 3
-
$7,867 SGD
$6,154 USD
View
A
Retailer 4
-
$8,234 SGD
View
A
Retailer 5
-
$8,472 SGD
$6,627 USD
View
A
Retailer 6
-
$8,747 SGD
£5,387 GBP
View
A
Retailer 7
-
$8,775 SGD
$6,864 USD
View
B+
Retailer 8
-
$9,243 SGD
$7,230 USD
View
B+
Retailer 9
-
$9,243 SGD
$7,230 USD
View
B+
Retailer 10
-
$9,550 SGD
$7,470 USD
View
B+
Retailer 11
-
$9,937 SGD
€7,403 EUR
View
B
Retailer 12
-
$13,314 SGD
$10,414 USD
View
B
Retailer 13
-
$13,471 SGD
£8,297 GBP
View
B
Retailer 14
-
$15,210 SGD
$11,898 USD
View
Most Expensive
NZ Jewellers
2da3d894-812d-4f15-93a8-77e8c8b89583 · Sep 21
$16,036 SGD
$12,544 USD
View
Price last confirmed 39 days ago
14 more retailers have this diamond
Prices start from $7,504 SGDSave up to $7,706 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
$7,504 SGD