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Oval|Natural|GIA

1.51ct E SI2 Oval Natural Diamond

EX • E/SI2 • GIA 7563639088

Certificate GIA 7563639088

Diamond specifications and retailer prices

From $11,532 NZD
HK$50,600 HKD
As of October 29, 2026
Save $15,001 NZD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $26,533 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 7563639088. Listed at 19 retailers as of October 27, 2026, with prices from $11,532 to $26,533, a $15,001 spread on the same certified stone. NZ Jewellers lists it at $26,533. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7563639088
Dimensions9.39 × 6.43 × 4.02 mm
L/W Ratio1.46
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.39 mm6.43 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7563639088
Side View
Table 55.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.4%

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: $26,533 NZD|Low: $11,532 NZD|High: $26,533 NZD|Avg: $16,220 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 10$11,532 NZD
Retailer 15$11,667 NZD
Retailer 2$13,334 NZD
Retailer 4$13,423 NZD
Retailer 3$13,478 NZD
Retailer 8$13,710 NZD
Retailer 9$14,643 NZD
Retailer 17$14,643 NZD
Retailer 14$14,723 NZD
Retailer 13$15,030 NZD
Retailer 7$15,864 NZD
Retailer 11$16,108 NZD
Retailer 6$16,210 NZD
Retailer 18$16,308 NZD
Retailer 12$17,308 NZD
Retailer 19$18,304 NZD
Retailer 16$22,137 NZD
Retailer 5$22,233 NZD
NZ Jewellers$26,533 NZD

14 data points across 19 retailers

19 retailers$11,532 NZD to $26,533 NZD

A
Cheapest Retailer
-
$11,532 NZD
HK$50,600 HKD
A
Retailer 2
-
$11,667 NZD
₹624,074 INR
View
A
Retailer 3
-
$13,334 NZD
$7,489 USD
View
B+
Retailer 4
-
$13,423 NZD
$7,539 USD
View
Retailer 5
-
$13,478 NZD
$7,570 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$13,710 NZD
$7,700 USD
View
B+
Retailer 7
-
$14,643 NZD
$8,224 USD
View
Final sale: no returns
B+
Retailer 8
-
$14,643 NZD
$8,224 USD
View
B+
Retailer 9
-
$14,723 NZD
£6,511 GBP
View
B+
Retailer 10
-
$15,030 NZD
£6,647 GBP
View
B+
Retailer 11
-
$15,864 NZD
$8,910 USD
View
B+
Retailer 12
-
$16,108 NZD
$9,047 USD
View
B+
Retailer 13
-
$16,210 NZD
$9,104 USD
View
B+
Retailer 14
-
$16,308 NZD
$9,159 USD
View
B+
Retailer 15
-
$17,308 NZD
€9,258 EUR
View
B+
Retailer 16
-
$18,304 NZD
$10,280 USD
View
B
Retailer 17
-
$22,137 NZD
£9,790 GBP
View
B
Retailer 18
-
$22,233 NZD
$12,487 USD
View
Most Expensive
B
NZ Jewellers
36e7a7c3-8c88-4ad4-aa6a-8994154ae288 · Oct 27
$26,533 NZD
$14,902 USD
View
18 more retailers have this diamond
Prices start from $11,532 NZDSave up to $15,001 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
$11,532 NZD