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Oval|Natural|GIA

1.51ct E SI2 Oval Natural Diamond

ID • E/SI2 • GIA 6361875681

Certificate GIA 6361875681

Diamond specifications and retailer prices

From $9,276 NZD
HK$40,700 HKD
As of October 29, 2026
Save $10,077 NZD (52%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $19,352 NZD 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6361875681. Listed at 13 retailers as of October 27, 2026, with prices from $9,276 to $19,352, a $10,077 spread on the same certified stone. NZ Jewellers lists it at $19,352. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6361875681
Dimensions7.80 × 5.96 × 4.17 mm
L/W Ratio1.31
Top View
7.80 mm5.96 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6361875681
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 70.0%

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 29
Current: $19,352 NZD|Low: $9,276 NZD|High: $19,352 NZD|Avg: $12,400 NZD
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
October 29, 2026
Retailer 5$9,276 NZD
Retailer 3$10,090 NZD
Retailer 15$10,679 NZD
Retailer 8$10,966 NZD
Retailer 2$11,098 NZD
Retailer 4$11,349 NZD
Retailer 11$11,570 NZD
Retailer 12$11,570 NZD
Retailer 13$11,570 NZD
Retailer 6$11,609 NZD
Retailer 10$12,623 NZD
Retailer 14$13,350 NZD
Retailer 7$14,392 NZD
Retailer 9$17,138 NZD
NZ Jewellers$19,352 NZD

23 data points across 15 retailers

13 retailers$9,276 NZD to $19,352 NZD

A
Cheapest Retailer
-
$9,276 NZD
HK$40,700 HKD
A
Retailer 2
-
$10,090 NZD
$5,667 USD
View
A
Retailer 3
-
$10,679 NZD
$5,998 USD
View
Final sale: no returns
A
Retailer 4
-
$10,966 NZD
£4,849 GBP
View
A
Retailer 5
-
$11,098 NZD
£4,908 GBP
View
A
Retailer 6
-
$11,570 NZD
$6,498 USD
View
A
Retailer 7
-
$11,570 NZD
$6,498 USD
View
A
Retailer 8
-
$11,570 NZD
$6,498 USD
View
A
Retailer 9
-
$11,609 NZD
$6,520 USD
View
A
Retailer 10
-
$12,623 NZD
€6,752 EUR
View
B+
Retailer 11
-
$13,350 NZD
$7,498 USD
View
B+
Retailer 12
-
$17,138 NZD
£7,579 GBP
View
Most Expensive
B
NZ Jewellers
79a8aa27-7c4f-4eb4-9ace-7a53aa3dc367 · Oct 27
$19,352 NZD
$10,869 USD
View
12 more retailers have this diamond
Prices start from $9,276 NZDSave up to $10,077 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
$9,276 NZD