CaratHunter
Plans
Round|Natural|GIA

1.51ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2231826354

Certificate GIA 2231826354

Diamond specifications and retailer prices

From $11,254 SGD
As of November 5, 2026
Save $9,369 SGD (45%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $20,623 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231826354. Listed at 22 retailers as of November 5, 2026, with prices from $11,254 to $20,623, a $9,369 spread on the same certified stone. NZ Jewellers lists it at $20,623. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2231826354
Dimensions7.27 × 7.32 × 4.58 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.27 mm7.32 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231826354
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 5
Current: $20,623 SGD|Low: $11,254 SGD|High: $20,623 SGD|Avg: $14,169 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 9$11,254 SGD
Retailer 12$11,480 SGD
Retailer 11$11,783 SGD
Retailer 3$11,812 SGD
Retailer 13$12,116 SGD
Retailer 6$12,249 SGD
Retailer 7$12,372 SGD
Retailer 5$13,196 SGD
Retailer 17$13,321 SGD
Retailer 22$13,611 SGD
Retailer 4$13,768 SGD
Retailer 21$13,782 SGD
Retailer 2$14,160 SGD
Retailer 8$14,523 SGD
Retailer 10$14,523 SGD
Retailer 14$15,008 SGD
Retailer 20$15,052 SGD
Retailer 18$15,265 SGD
Retailer 15$15,798 SGD
Retailer 16$18,052 SGD
Retailer 19$19,272 SGD
NZ Jewellers$20,623 SGD

10 data points across 22 retailers

22 retailers$11,254 SGD to $20,623 SGD

B+
Cheapest Retailer
-
$11,254 SGD
B+
Retailer 2
-
$11,480 SGD
View
B+
Retailer 3
-
$11,598 SGD
View
B+
Retailer 4
-
$11,783 SGD
View
B+
Retailer 5
-
$11,812 SGD
View
B+
Retailer 6
-
$12,116 SGD
View
B+
Retailer 7
-
$12,249 SGD
View
B+
Retailer 8
-
$12,372 SGD
View
Final sale: no returns
B+
Retailer 9
-
$13,196 SGD
View
B+
Retailer 10
-
$13,321 SGD
View
B
Retailer 11
-
$13,611 SGD
View
B+
Retailer 12
-
$13,768 SGD
View
B+
Retailer 13
-
$13,782 SGD
View
B+
Retailer 14
-
$14,160 SGD
View
B+
Retailer 15
-
$14,523 SGD
View
B+
Retailer 16
-
$14,523 SGD
View
B+
Retailer 17
-
$15,008 SGD
View
B+
Retailer 18
-
$15,052 SGD
View
B+
Retailer 19
-
$15,265 SGD
View
B
Retailer 20
-
$18,052 SGD
View
B
Retailer 21
-
$19,272 SGD
View
Most Expensive
B
NZ Jewellers
7f99f642-1df0-480d-bbcf-61c86faa58f3 · Nov 5
$20,623 SGD
$16,146 USD
View
21 more retailers have this diamond
Prices start from $11,254 SGDSave up to $9,369 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
$11,254 SGD