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Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 7552514727

Certificate GIA 7552514727

Diamond specifications and retailer prices

From $7,522 NZD
$4,232 USD
As of November 2, 2026
Save $11,965 NZD (61%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $19,486 NZD at NZ Jewellers · As of November 2, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7552514727. Listed at 25 retailers as of November 2, 2026, with prices from $7,522 to $19,486, a $11,965 spread on the same certified stone. NZ Jewellers lists it at $19,486. 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
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.28°
Pavilion angle39.21°
OriginNatural
Grading LabGIA
CertificateGIA 7552514727
Dimensions8.97 × 6.40 × 3.98 mm
L/W Ratio1.40
Culet sizeNone
Top View
8.97 mm6.40 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7552514727
Side View
Table 59.0%Crown 40.28°Girdle: STK-THKPavilion 39.21°Culet: NoneDepth 62.3%

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 2
Current: $11,287 NZD|Low: $9,102 NZD|High: $17,371 NZD|Avg: $11,572 NZD|-1.1%
Retailer 1
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
November 2, 2026
Retailer 14$9,102 NZD
Retailer 10$9,211 NZD
Retailer 11$9,743 NZD
Retailer 2$10,179 NZD
Retailer 3$10,746 NZD
Retailer 6$11,000 NZD
Retailer 8$11,176 NZD
Retailer 1$11,287 NZD
Retailer 4$11,766 NZD
Retailer 13$11,766 NZD
Retailer 7$12,018 NZD
Retailer 12$12,157 NZD
Retailer 5$12,178 NZD
Retailer 9$17,166 NZD

37 data points across 14 retailers

25 retailers$7,522 NZD to $19,486 NZD

A
Cheapest Retailer
-
$7,522 NZD
$4,232 USD
A
Retailer 2
-
$8,874 NZD
$4,993 USD
View
A
Retailer 3
-
$9,102 NZD
$5,121 USD
View
B+
Retailer 4
-
$9,205 NZD
$5,179 USD
View
B+
Retailer 5
-
$9,211 NZD
$5,183 USD
View
B+
Retailer 6
-
$9,326 NZD
$5,247 USD
View
B+
Retailer 7
-
$9,743 NZD
$5,482 USD
View
Final sale: no returns
B+
Retailer 8
-
$10,179 NZD
CA$7,955 CAD
View
B+
Retailer 9
-
$10,337 NZD
$5,816 USD
View
B+
Retailer 10
-
$10,413 NZD
$5,859 USD
View
B+
Retailer 11
-
$10,555 NZD
$5,939 USD
View
B+
Retailer 12
-
$10,555 NZD
$5,939 USD
View
B+
Retailer 13
-
$10,555 NZD
$5,939 USD
View
B+
Retailer 14
-
$10,746 NZD
$6,046 USD
View
B+
Retailer 15
-
$11,000 NZD
$6,189 USD
View
B+
Retailer 16
-
$11,176 NZD
£4,951 GBP
View
B+
Retailer 17
-
$11,287 NZD
£5,000 GBP
View
B+
Retailer 18
-
$11,766 NZD
$6,620 USD
View
B+
Retailer 19
-
$11,766 NZD
$6,620 USD
View
B+
Retailer 20
-
$12,018 NZD
€6,440 EUR
View
B+
Retailer 21
-
$12,157 NZD
$6,840 USD
View
B+
Retailer 22
-
$12,178 NZD
$6,852 USD
View
Retailer 23
-
$16,886 NZD
$9,501 USD
View
Price last confirmed 7 days ago
B
Retailer 24
-
$17,166 NZD
£7,605 GBP
View
Most Expensive
B
NZ Jewellers
5abacb77-abe1-4adf-b094-2d309d225a27 · Nov 2
$19,486 NZD
$10,964 USD
View
24 more retailers have this diamond
Prices start from $7,522 NZDSave up to $11,965 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
$7,522 NZD