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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 $6,369 USD
As of October 28, 2026
Save $7,115 USD (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $13,484 USD 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 $6,369 to $13,484, a $7,115 spread on the same certified stone. NZ Jewellers lists it at $13,484. 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
Color
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: $13,484 USD|Low: $6,180 USD|High: $13,484 USD|Avg: $8,206 USD
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$6,369 USD
Retailer 10$6,419 USD
Retailer 6$6,742 USD
Retailer 20$6,742 USD
Retailer 8$6,755 USD
Retailer 9$6,798 USD
Retailer 12$7,179 USD
Retailer 11$7,263 USD
Retailer 18$7,304 USD
Retailer 19$7,416 USD
Retailer 2$7,604 USD
Retailer 13$7,641 USD
Retailer 4$7,725 USD
Retailer 5$7,730 USD
Retailer 3$8,428 USD
Retailer 15$8,797 USD
Retailer 17$9,816 USD
Retailer 14$11,295 USD
Retailer 16$11,341 USD
NZ Jewellers$13,484 USD

23 data points across 20 retailers

24 retailers$6,369 USD to $13,484 USD

B+
Cheapest Retailer
-
$6,369 USD
B+
Retailer 2
-
$6,419 USD
View
B+
Retailer 3
-
$6,742 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,742 USD
View
B+
Retailer 5
-
$6,755 USD
View
B+
Retailer 6
-
$6,798 USD
View
Retailer 7
-
$7,179 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$7,263 USD
View
B+
Retailer 9
-
$7,304 USD
View
B
Retailer 10
-
$7,416 USD
View
B+
Retailer 11
-
$7,604 USD
£5,987 GBP
View
B+
Retailer 12
-
$7,641 USD
£6,016 GBP
View
Retailer 13
-
$7,725 USD
A$11,884 AUD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$7,730 USD
View
B+
Retailer 15
-
$7,770 USD
View
B+
Retailer 16
-
$7,770 USD
View
B
Retailer 17
-
$8,030 USD
View
B
Retailer 18
-
$8,157 USD
View
B
Retailer 19
-
$8,428 USD
View
B
Retailer 20
-
$8,797 USD
€8,378 EUR
View
B
Retailer 21
-
$9,816 USD
ZAR 158,584 ZAR
View
B
Retailer 22
-
$11,295 USD
£8,894 GBP
View
B
Retailer 23
-
$11,341 USD
£8,930 GBP
View
Most Expensive
B
NZ Jewellers
144cd5a2-b832-42d8-b70a-354daa8ffc92 · Oct 27
$13,484 USD
View
23 more retailers have this diamond
Prices start from $6,369 USDSave up to $7,115 USD

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
$6,369 USD