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Oval|Natural|GIA

1.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 5563520590

Certificate GIA 5563520590

Diamond specifications and retailer prices

From $8,017 NZD
HK$35,300 HKD
As of November 1, 2026
Save $9,893 NZD (55%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $17,910 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 5563520590. Listed at 24 retailers as of October 30, 2026, with prices from $8,017 to $17,910, a $9,893 spread on the same certified stone. NZ Jewellers lists it at $17,910. 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
SymmetryExcellent
FluorescenceMedium
Crown angle36.1°
Pavilion angle39.6°
OriginNatural
Grading LabGIA
CertificateGIA 5563520590
Dimensions9.02 × 6.54 × 4.11 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Top View
9.02 mm6.54 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5563520590
Side View
Table 62.0%Crown 36.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 62.8%

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: $17,910 NZD|Low: $7,767 NZD|High: $23,641 NZD|Avg: $10,433 NZD|+1.4%
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
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 23$8,017 NZD
Retailer 15$8,064 NZD
Retailer 16$8,080 NZD
Retailer 21$8,227 NZD
Retailer 14$8,304 NZD
Retailer 6$8,460 NZD
Retailer 4$8,639 NZD
Retailer 9$8,955 NZD
Retailer 10$9,496 NZD
Retailer 11$9,496 NZD
Retailer 20$9,700 NZD
Retailer 17$9,971 NZD
Retailer 24$10,161 NZD
Retailer 2$10,374 NZD
Retailer 18$10,445 NZD
Retailer 5$10,841 NZD
Retailer 7$10,841 NZD
Retailer 3$11,194 NZD
Retailer 8$11,196 NZD
Retailer 12$11,561 NZD
Retailer 13$11,696 NZD
Retailer 22$12,253 NZD
Retailer 19$15,776 NZD
NZ Jewellers$17,910 NZD

15 data points across 24 retailers

24 retailers$8,017 NZD to $17,910 NZD

A
Cheapest Retailer
-
$8,017 NZD
HK$35,300 HKD
A
Retailer 2
-
$8,064 NZD
$4,545 USD
View
Retailer 3
-
$8,080 NZD
₹433,691 INR
View
Price last confirmed 18 days ago
A
Retailer 4
-
$8,227 NZD
$4,637 USD
View
A
Retailer 5
-
$8,304 NZD
$4,680 USD
View
A
Retailer 6
-
$8,460 NZD
$4,768 USD
View
A
Retailer 7
-
$8,639 NZD
$4,869 USD
View
A
Retailer 8
-
$8,955 NZD
$5,047 USD
View
Final sale: no returns
A
Retailer 9
-
$9,496 NZD
$5,352 USD
View
A
Retailer 10
-
$9,496 NZD
$5,352 USD
View
A
Retailer 11
-
$9,700 NZD
$5,467 USD
View
Retailer 12
-
$9,971 NZD
SGD 7,594 SGD
View
Price last confirmed 18 days ago
A
Retailer 13
-
$10,161 NZD
$5,727 USD
View
A
Retailer 14
-
$10,374 NZD
£4,604 GBP
View
A
Retailer 15
-
$10,445 NZD
£4,635 GBP
View
B+
Retailer 16
-
$10,626 NZD
$5,989 USD
View
A
Retailer 17
-
$10,841 NZD
$6,110 USD
View
B+
Retailer 18
-
$10,841 NZD
$6,110 USD
View
B+
Retailer 19
-
$11,194 NZD
$6,309 USD
View
B+
Retailer 20
-
$11,196 NZD
$6,310 USD
View
B+
Retailer 21
-
$11,696 NZD
€6,278 EUR
View
B+
Retailer 22
-
$12,253 NZD
$6,906 USD
View
B+
Retailer 23
-
$15,776 NZD
£7,001 GBP
View
Most Expensive
B
NZ Jewellers
cd12658d-d5f9-4cf2-88fb-76e01f14db34 · Oct 30
$17,910 NZD
$10,094 USD
View
23 more retailers have this diamond
Prices start from $8,017 NZDSave up to $9,893 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
$8,017 NZD