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Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2527748242

Certificate GIA 2527748242

Diamond specifications and retailer prices

From $8,961 SGD
As of November 5, 2026
Save $7,481 SGD (45%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $19,109 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2527748242. Listed at 22 retailers as of November 4, 2026, with a 83% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2527748242
Dimensions7.23 × 7.30 × 4.57 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Knot, Needle
Top View
7.23 mm7.30 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527748242
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.8%

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 5
Current: $9,894 SGD|Low: $8,961 SGD|High: $16,663 SGD|Avg: $11,287 SGD|-4.5%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 4$8,961 SGD
Retailer 7$9,262 SGD
Retailer 19$9,398 SGD
Retailer 5$9,515 SGD
Retailer 8$9,891 SGD
Retailer 1$9,894 SGD
Retailer 14$10,536 SGD
Retailer 6$10,540 SGD
Retailer 10$10,546 SGD
Retailer 12$10,853 SGD
Retailer 9$10,944 SGD
Retailer 11$10,958 SGD
Retailer 15$10,964 SGD
Retailer 3$11,138 SGD
Retailer 13$11,904 SGD
Retailer 2$11,974 SGD
Retailer 17$12,639 SGD
Retailer 16$14,432 SGD
Retailer 18$16,442 SGD

31 data points across 19 retailers

22 retailers$8,961 SGD to $16,442 SGD

A
Cheapest Retailer
-
$8,961 SGD
B+
Retailer 2
-
$9,226 SGD
View
B+
Retailer 3
-
$9,262 SGD
View
B+
Retailer 4
-
$9,398 SGD
View
B+
Retailer 5
-
$9,515 SGD
View
B+
Retailer 6
-
$9,891 SGD
View
Final sale: no returns
B+
Retailer 7
-
$9,894 SGD
View
Retailer 8
-
$10,536 SGD
View
B+
Retailer 9
-
$10,540 SGD
View
B+
Retailer 10
-
$10,853 SGD
View
Retailer 11
-
$10,944 SGD
View
Price last confirmed 23 days ago
B+
Retailer 12
-
$10,964 SGD
View
Retailer 13
-
$11,138 SGD
View
Price last confirmed 16 days ago
Retailer 14
-
$11,424 SGD
View
Price last confirmed 30 days ago
Retailer 15
-
$11,601 SGD
View
Price last confirmed 39 days ago
Retailer 16
-
$11,904 SGD
View
B+
Retailer 17
-
$11,974 SGD
View
B+
Retailer 18
-
$12,639 SGD
View
Retailer 19
-
$13,183 SGD
View
Price last confirmed 39 days ago
B
Retailer 20
-
$14,432 SGD
View
B
Retailer 21
-
$16,442 SGD
View
Most Expensive
NZ Jewellers
be9c3285-1c73-4813-8bc1-fe060c57aea2 · Sep 28
$19,109 SGD
$14,910 USD
View
Price last confirmed 40 days ago
21 more retailers have this diamond
Prices start from $8,961 SGDSave up to $7,481 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
$8,961 SGD