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Oval|Natural|GIA

1.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 6552656702

Certificate GIA 6552656702

Diamond specifications and retailer prices

From $3,898 USD
As of October 28, 2026
Save $5,234 USD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,132 USD 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 G 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 6552656702. Listed at 20 retailers as of October 28, 2026, with prices from $3,898 to $9,132, a $5,234 spread on the same certified stone. NZ Jewellers lists it at $9,132. 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
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.7°
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552656702
Dimensions8.76 × 6.43 × 4.10 mm
L/W Ratio1.36
Girdle conditionFaceted
Top View
8.76 mm6.43 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552656702
Side View
Table 63.0%Crown 39.7°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 63.8%

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 28
Current: $9,132 USD|Low: $3,898 USD|High: $9,403 USD|Avg: $5,606 USD|-2.9%
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
November 1, 2026
Retailer 7$3,898 USD
Retailer 20$4,070 USD
Retailer 16$4,192 USD
Retailer 19$4,288 USD
Retailer 18$4,387 USD
Retailer 17$4,539 USD
Retailer 15$4,918 USD
Retailer 8$4,947 USD
Retailer 9$4,947 USD
Retailer 3$5,177 USD
Retailer 2$5,259 USD
Retailer 14$5,296 USD
Retailer 4$5,510 USD
Retailer 10$5,540 USD
Retailer 6$5,674 USD
Retailer 11$5,730 USD
Retailer 5$6,144 USD
Retailer 12$6,352 USD
Retailer 13$8,646 USD
NZ Jewellers$9,132 USD

25 data points across 20 retailers

20 retailers$3,898 USD to $9,132 USD

A
Cheapest Retailer
-
$3,898 USD
A
Retailer 2
-
$4,070 USD
HK$31,800 HKD
View
A
Retailer 3
-
$4,192 USD
View
A
Retailer 4
-
$4,288 USD
View
A
Retailer 5
-
$4,387 USD
View
A
Retailer 6
-
$4,539 USD
View
Final sale: no returns
A
Retailer 7
-
$4,918 USD
View
A
Retailer 8
-
$4,947 USD
View
A
Retailer 9
-
$4,947 USD
View
A
Retailer 10
-
$5,177 USD
View
A
Retailer 11
-
$5,259 USD
£4,141 GBP
View
A
Retailer 12
-
$5,296 USD
£4,170 GBP
View
A
Retailer 13
-
$5,510 USD
View
A
Retailer 14
-
$5,540 USD
View
A
Retailer 15
-
$5,674 USD
View
A
Retailer 16
-
$5,730 USD
View
A
Retailer 17
-
$6,144 USD
€5,851 EUR
View
B+
Retailer 18
-
$6,352 USD
View
B
Retailer 19
-
$8,646 USD
£6,808 GBP
View
Most Expensive
B
NZ Jewellers
8613633b-fa02-4518-b7b2-e75795b72a18 · Oct 30
$9,132 USD
View
19 more retailers have this diamond
Prices start from $3,898 USDSave up to $5,234 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.

A
1.51ct Oval
$3,898 USD