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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 $6,918 NZD
$3,899 USD
As of November 1, 2026
Save $9,285 NZD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $16,203 NZD 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 30, 2026, with prices from $6,918 to $16,203, a $9,285 spread on the same certified stone. NZ Jewellers lists it at $16,203. 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
Colour
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: Nov 1
Current: $16,203 NZD|Low: $6,916 NZD|High: $16,684 NZD|Avg: $9,961 NZD|-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 2, 2026
Retailer 13$6,918 NZD
Retailer 4$7,222 NZD
Retailer 18$7,438 NZD
Retailer 3$7,608 NZD
Retailer 20$7,784 NZD
Retailer 19$8,054 NZD
Retailer 17$8,726 NZD
Retailer 9$8,777 NZD
Retailer 10$8,777 NZD
Retailer 5$9,186 NZD
Retailer 15$9,331 NZD
Retailer 2$9,397 NZD
Retailer 6$9,776 NZD
Retailer 11$9,830 NZD
Retailer 8$10,067 NZD
Retailer 12$10,167 NZD
Retailer 7$10,901 NZD
Retailer 14$11,206 NZD
Retailer 16$15,341 NZD
NZ Jewellers$16,203 NZD

26 data points across 20 retailers

20 retailers$6,918 NZD to $16,203 NZD

A
Cheapest Retailer
-
$6,918 NZD
$3,899 USD
A
Retailer 2
-
$7,222 NZD
HK$31,800 HKD
View
A
Retailer 3
-
$7,438 NZD
$4,192 USD
View
A
Retailer 4
-
$7,608 NZD
$4,288 USD
View
A
Retailer 5
-
$7,784 NZD
$4,387 USD
View
A
Retailer 6
-
$8,054 NZD
$4,539 USD
View
Final sale: no returns
A
Retailer 7
-
$8,726 NZD
$4,918 USD
View
A
Retailer 8
-
$8,777 NZD
$4,947 USD
View
A
Retailer 9
-
$8,777 NZD
$4,947 USD
View
A
Retailer 10
-
$9,186 NZD
$5,177 USD
View
A
Retailer 11
-
$9,331 NZD
£4,141 GBP
View
A
Retailer 12
-
$9,397 NZD
£4,170 GBP
View
A
Retailer 13
-
$9,776 NZD
$5,510 USD
View
A
Retailer 14
-
$9,830 NZD
$5,540 USD
View
A
Retailer 15
-
$10,067 NZD
$5,674 USD
View
A
Retailer 16
-
$10,167 NZD
$5,730 USD
View
A
Retailer 17
-
$10,901 NZD
€5,851 EUR
View
B+
Retailer 18
-
$11,206 NZD
$6,316 USD
View
B
Retailer 19
-
$15,341 NZD
£6,808 GBP
View
Most Expensive
B
NZ Jewellers
8613633b-fa02-4518-b7b2-e75795b72a18 · Oct 30
$16,203 NZD
$9,132 USD
View
19 more retailers have this diamond
Prices start from $6,918 NZDSave up to $9,285 NZD

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
$6,918 NZD