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Oval|Natural|GIA

1.51ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2316765230

Certificate GIA 2316765230

Diamond specifications and retailer prices

From $7,673 SGD
$6,000 USD
As of November 2, 2026
Save $9,599 SGD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $17,273 SGD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2316765230. Listed at 22 retailers as of October 30, 2026, with prices from $7,673 to $17,273, a $9,599 spread on the same certified stone. NZ Jewellers lists it at $17,273. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2316765230
Dimensions9.00 × 6.65 × 4.02 mm
L/W Ratio1.35
Top View
9.00 mm6.65 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2316765230
Side View
Table 59.0%CrownGirdle: VTN-MEDPavilionCulet: NoneDepth 60.4%

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 2
Current: $17,273 SGD|Low: $7,673 SGD|High: $17,273 SGD|Avg: $10,869 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
November 2, 2026
Retailer 11$7,673 SGD
Retailer 9$8,245 SGD
Retailer 4$8,636 SGD
Retailer 3$9,356 SGD
Retailer 10$9,500 SGD
Retailer 5$9,741 SGD
Retailer 8$9,895 SGD
Retailer 12$10,795 SGD
Retailer 2$11,280 SGD
Retailer 6$12,687 SGD
Retailer 7$14,470 SGD
NZ Jewellers$17,273 SGD

44 data points across 12 retailers

22 retailers$7,673 SGD to $17,273 SGD

B+
Cheapest Retailer
-
$7,673 SGD
$6,000 USD
B+
Retailer 2
-
$8,003 SGD
$6,258 USD
View
B+
Retailer 3
-
$8,159 SGD
$6,380 USD
View
B+
Retailer 4
-
$8,245 SGD
$6,447 USD
View
Final sale: no returns
B+
Retailer 5
-
$8,278 SGD
$6,473 USD
View
B+
Retailer 6
-
$8,584 SGD
CA$9,323 CAD
View
B+
Retailer 7
-
$8,636 SGD
$6,753 USD
View
B+
Retailer 8
-
$8,652 SGD
$6,765 USD
View
B+
Retailer 9
-
$8,708 SGD
$6,809 USD
View
B
Retailer 10
-
$9,196 SGD
$7,190 USD
View
B
Retailer 11
-
$9,356 SGD
$7,316 USD
View
B
Retailer 12
-
$9,500 SGD
$7,428 USD
View
B
Retailer 13
-
$9,538 SGD
$7,458 USD
View
B+
Retailer 14
-
$9,741 SGD
£5,997 GBP
View
B+
Retailer 15
-
$9,880 SGD
$7,725 USD
View
Retailer 16
-
$9,895 SGD
A$11,904 AUD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$10,795 SGD
$8,441 USD
View
B
Retailer 18
-
$11,280 SGD
€8,400 EUR
View
B
Retailer 19
-
$11,378 SGD
$8,897 USD
View
B
Retailer 20
-
$12,687 SGD
ZAR 160,262 ZAR
View
B
Retailer 21
-
$14,470 SGD
£8,909 GBP
View
Most Expensive
B
NZ Jewellers
7b5bc6cf-00be-4a75-8a6e-4a63f09f1019 · Oct 30
$17,273 SGD
$13,506 USD
View
21 more retailers have this diamond
Prices start from $7,673 SGDSave up to $9,599 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 Oval
$7,673 SGD