Oval|Natural|GIA

1.51ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 6532997591

Certificate GIA 6532997591

Diamond specifications and retailer prices

From $6,080 USD
As of October 28, 2026
Save $6,792 USD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,872 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532997591. Listed at 16 retailers as of October 27, 2026, with prices from $6,080 to $12,872, a $6,792 spread on the same certified stone. NZ Jewellers lists it at $12,872. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6532997591
Dimensions9.32 × 6.46 × 3.99 mm
L/W Ratio1.44
Top View
9.32 mm6.46 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532997591
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $12,872 USD|Low: $5,810 USD|High: $13,055 USD|Avg: $8,106 USD|-1.4%
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
October 29, 2026
Retailer 14$5,810 USD
Retailer 5$6,080 USD
Retailer 7$6,436 USD
Retailer 4$6,490 USD
Retailer 15$6,972 USD
Retailer 3$7,080 USD
Retailer 16$7,220 USD
Retailer 11$7,223 USD
Retailer 10$7,549 USD
Retailer 6$7,730 USD
Retailer 12$7,730 USD
Retailer 13$7,990 USD
Retailer 8$8,045 USD
Retailer 9$8,397 USD
Retailer 2$10,784 USD
NZ Jewellers$12,872 USD

39 data points across 16 retailers

16 retailers$6,080 USD to $12,872 USD

Retailer 1
-
$5,810 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
$6,080 USD
View
B+
Retailer 3
-
$6,436 USD
View
B+
Retailer 4
-
$6,490 USD
View
B+
Retailer 5
-
$6,972 USD
View
B+
Retailer 6
-
$7,080 USD
View
B
Retailer 7
-
$7,220 USD
View
B+
Retailer 8
-
$7,223 USD
£5,688 GBP
View
B+
Retailer 9
-
$7,549 USD
£5,944 GBP
View
B
Retailer 10
-
$7,730 USD
View
B
Retailer 11
-
$7,730 USD
View
B
Retailer 12
-
$7,990 USD
View
B
Retailer 13
-
$8,045 USD
View
B
Retailer 14
-
$8,397 USD
€7,997 EUR
View
B
Retailer 15
-
$10,784 USD
£8,491 GBP
View
Most Expensive
B
NZ Jewellers
592d6834-35f2-400e-9273-b620af258013 · Oct 27
$12,872 USD
View
15 more retailers have this diamond
Prices start from $6,080 USDSave up to $6,792 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
$6,080 USD