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Round|Natural|GIA

1.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2436486853

Certificate GIA 2436486853

Diamond specifications and retailer prices

From $10,276 SGD
As of November 1, 2026
Save $8,951 SGD (47%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $19,227 SGD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2436486853. Listed at 17 retailers as of November 1, 2026, with prices from $10,276 to $19,227, a $8,951 spread on the same certified stone. NZ Jewellers lists it at $19,227. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2436486853
Dimensions7.36 × 7.32 × 4.54 mm
L/W Ratio1.01
Top View
7.36 mm7.32 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2436486853
Side View
Table 55.0%Crown 34°Girdle: THN-THKPavilion 40.6°Culet: NoneDepth 61.8%

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: $19,227 SGD|Low: $10,276 SGD|High: $19,227 SGD|Avg: $14,067 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$10,276 SGD
Retailer 7$11,537 SGD
Retailer 2$12,408 SGD
Retailer 9$12,498 SGD
Retailer 6$12,690 SGD
Retailer 3$13,760 SGD
Retailer 8$14,421 SGD
Retailer 4$17,968 SGD
NZ Jewellers$19,227 SGD

42 data points across 9 retailers

17 retailers$10,276 SGD to $19,227 SGD

B+
Cheapest Retailer
-
$10,276 SGD
B+
Retailer 2
-
$10,480 SGD
View
B
Retailer 3
-
$10,802 SGD
View
B
Retailer 4
-
$11,178 SGD
View
Retailer 5
-
$11,537 SGD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$12,408 SGD
View
B
Retailer 7
-
$12,498 SGD
View
B
Retailer 8
-
$12,690 SGD
View
B
Retailer 9
-
$13,290 SGD
View
B
Retailer 10
-
$13,590 SGD
View
B
Retailer 11
-
$13,590 SGD
View
B
Retailer 12
-
$13,760 SGD
View
B
Retailer 13
-
$14,050 SGD
View
B
Retailer 14
-
$14,421 SGD
View
Retailer 15
-
$15,183 SGD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$17,968 SGD
View
Most Expensive
B
NZ Jewellers
0c32f121-0fbc-460c-a3f1-404ed955b21d · Nov 5
$19,227 SGD
$15,053 USD
View
16 more retailers have this diamond
Prices start from $10,276 SGDSave up to $8,951 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
$10,276 SGD