CaratHunter
Plans
Oval|Natural|GIA

1.51ct D SI2 Oval Natural Diamond

ID • D/SI2 • GIA 2231615608

Certificate GIA 2231615608

Diamond specifications and retailer prices

From $7,587 SGD
$5,935 USD
As of October 30, 2026
Save $9,147 SGD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $16,734 SGD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231615608. Listed at 22 retailers as of October 27, 2026, with prices from $7,587 to $16,734, a $9,147 spread on the same certified stone. NZ Jewellers lists it at $16,734. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.37°
Pavilion angle39.57°
OriginNatural
Grading LabGIA
CertificateGIA 2231615608
Dimensions8.61 × 6.24 × 4.15 mm
L/W Ratio1.38
Girdle conditionExtremely Thick
Key to symbols
Crystal, Feather, Needle
Top View
8.61 mm6.24 mm1.51 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231615608
Side View
Table 55.0%Crown 40.37°Girdle: STK-ETKPavilion 39.57°Culet: NoneDepth 66.5%

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 30
Current: $9,482 SGD|Low: $6,597 SGD|High: $14,112 SGD|Avg: $9,329 SGD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8$7,587 SGD
Retailer 6$7,916 SGD
Retailer 2$8,367 SGD
Retailer 7$8,367 SGD
Retailer 10$9,172 SGD
Retailer 5$9,390 SGD
Retailer 1$9,482 SGD
Retailer 9$10,085 SGD
Retailer 4$10,326 SGD
Retailer 3$14,018 SGD

36 data points across 10 retailers

22 retailers$7,587 SGD to $16,734 SGD

A
Cheapest Retailer
-
$7,587 SGD
$5,935 USD
A
Retailer 2
-
$7,750 SGD
$6,062 USD
View
A
Retailer 3
-
$7,906 SGD
$6,184 USD
View
A
Retailer 4
-
$7,916 SGD
$6,192 USD
View
A
Retailer 5
-
$8,014 SGD
$6,269 USD
View
A
Retailer 6
-
$8,367 SGD
$6,545 USD
View
Final sale: no returns
A
Retailer 7
-
$8,367 SGD
$6,545 USD
View
A
Retailer 8
-
$8,909 SGD
$6,969 USD
View
A
Retailer 9
-
$9,064 SGD
$7,090 USD
View
A
Retailer 10
-
$9,172 SGD
A$11,038 AUD
View
A
Retailer 11
-
$9,203 SGD
$7,199 USD
View
A
Retailer 12
-
$9,390 SGD
£5,784 GBP
View
B+
Retailer 13
-
$9,400 SGD
$7,353 USD
View
A
Retailer 14
-
$9,482 SGD
£5,840 GBP
View
B+
Retailer 15
-
$10,035 SGD
$7,850 USD
View
B+
Retailer 16
-
$10,035 SGD
$7,850 USD
View
B+
Retailer 17
-
$10,085 SGD
$7,889 USD
View
B+
Retailer 18
-
$10,326 SGD
€7,693 EUR
View
B+
Retailer 19
-
$10,368 SGD
$8,110 USD
View
B+
Retailer 20
-
$10,459 SGD
$8,181 USD
View
B+
Retailer 21
-
$14,018 SGD
£8,634 GBP
View
Most Expensive
B
NZ Jewellers
ff2703fb-317d-4269-8f8b-875e1eded4cb · Oct 27
$16,734 SGD
$13,090 USD
View
21 more retailers have this diamond
Prices start from $7,587 SGDSave up to $9,147 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 Oval
$7,587 SGD