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Oval|Natural|GIA

1.51ct H SI1 Oval Natural Diamond

ID • H/SI1 • GIA 6532284793

Certificate GIA 6532284793

Diamond specifications and retailer prices

From $8,142 SGD
$6,369 USD
As of October 28, 2026
Save $9,096 SGD (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $17,238 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 H 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 6532284793. Listed at 24 retailers as of October 27, 2026, with prices from $8,142 to $17,238, a $9,096 spread on the same certified stone. NZ Jewellers lists it at $17,238. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.97°
OriginNatural
Grading LabGIA
CertificateGIA 6532284793
Dimensions9.06 × 6.43 × 3.94 mm
L/W Ratio1.41
Girdle conditionVery Thick
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
9.06 mm6.43 mm1.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6532284793
Side View
Table 63.0%Crown 35.97°Girdle: STK-VTKPavilionCulet: NoneDepth 61.3%

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: Oct 28
Current: $17,238 SGD|Low: $7,901 SGD|High: $17,238 SGD|Avg: $10,491 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
October 29, 2026
Retailer 7$8,142 SGD
Retailer 10$8,206 SGD
Retailer 6$8,619 SGD
Retailer 20$8,619 SGD
Retailer 8$8,636 SGD
Retailer 9$8,691 SGD
Retailer 12$9,177 SGD
Retailer 11$9,285 SGD
Retailer 18$9,337 SGD
Retailer 19$9,481 SGD
Retailer 2$9,721 SGD
Retailer 13$9,768 SGD
Retailer 4$9,875 SGD
Retailer 5$9,882 SGD
Retailer 3$10,774 SGD
Retailer 15$11,246 SGD
Retailer 17$12,549 SGD
Retailer 14$14,440 SGD
Retailer 16$14,498 SGD
NZ Jewellers$17,238 SGD

23 data points across 20 retailers

24 retailers$8,142 SGD to $17,238 SGD

B+
Cheapest Retailer
-
$8,142 SGD
$6,369 USD
B+
Retailer 2
-
$8,206 SGD
$6,419 USD
View
B+
Retailer 3
-
$8,619 SGD
$6,742 USD
View
Final sale: no returns
B+
Retailer 4
-
$8,619 SGD
$6,742 USD
View
B+
Retailer 5
-
$8,636 SGD
$6,755 USD
View
B+
Retailer 6
-
$8,691 SGD
$6,798 USD
View
Retailer 7
-
$9,177 SGD
$7,179 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$9,285 SGD
$7,263 USD
View
B+
Retailer 9
-
$9,337 SGD
$7,304 USD
View
B
Retailer 10
-
$9,481 SGD
$7,416 USD
View
B+
Retailer 11
-
$9,721 SGD
£5,987 GBP
View
B+
Retailer 12
-
$9,768 SGD
£6,016 GBP
View
Retailer 13
-
$9,875 SGD
A$11,884 AUD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$9,882 SGD
$7,730 USD
View
B+
Retailer 15
-
$9,933 SGD
$7,770 USD
View
B+
Retailer 16
-
$9,933 SGD
$7,770 USD
View
B
Retailer 17
-
$10,266 SGD
$8,030 USD
View
B
Retailer 18
-
$10,427 SGD
$8,157 USD
View
B
Retailer 19
-
$10,774 SGD
$8,428 USD
View
B
Retailer 20
-
$11,246 SGD
€8,378 EUR
View
B
Retailer 21
-
$12,549 SGD
ZAR 158,584 ZAR
View
B
Retailer 22
-
$14,440 SGD
£8,894 GBP
View
B
Retailer 23
-
$14,498 SGD
£8,930 GBP
View
Most Expensive
B
NZ Jewellers
144cd5a2-b832-42d8-b70a-354daa8ffc92 · Oct 27
$17,238 SGD
$13,484 USD
View
23 more retailers have this diamond
Prices start from $8,142 SGDSave up to $9,096 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
$8,142 SGD