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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 $4,518 USD
HK$35,300 HKD
As of October 31, 2026
Save $5,576 USD (55%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,094 USD 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 $4,518 to $10,094, a $5,576 spread on the same certified stone. NZ Jewellers lists it at $10,094. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $10,094 USD|Low: $4,378 USD|High: $13,324 USD|Avg: $5,884 USD|+1.4%
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 31, 2026
Retailer 13$4,518 USD
Retailer 14$4,545 USD
Retailer 15$4,554 USD
Retailer 22$4,579 USD
Retailer 12$4,680 USD
Retailer 3$4,768 USD
Retailer 23$4,869 USD
Retailer 7$5,047 USD
Retailer 8$5,352 USD
Retailer 9$5,352 USD
Retailer 11$5,352 USD
Retailer 16$5,620 USD
Retailer 18$5,727 USD
Retailer 6$5,865 USD
Retailer 19$5,887 USD
Retailer 4$6,110 USD
Retailer 24$6,110 USD
Retailer 21$6,309 USD
Retailer 5$6,310 USD
Retailer 10$6,516 USD
Retailer 20$6,595 USD
Retailer 2$6,906 USD
Retailer 17$9,070 USD
NZ Jewellers$10,094 USD

13 data points across 24 retailers

24 retailers$4,518 USD to $10,094 USD

A
Cheapest Retailer
-
$4,518 USD
HK$35,300 HKD
A
Retailer 2
-
$4,545 USD
View
Retailer 3
-
$4,554 USD
₹433,691 INR
View
Price last confirmed 16 days ago
A
Retailer 4
-
$4,579 USD
View
A
Retailer 5
-
$4,680 USD
View
A
Retailer 6
-
$4,768 USD
View
A
Retailer 7
-
$4,869 USD
View
A
Retailer 8
-
$5,047 USD
View
Final sale: no returns
A
Retailer 9
-
$5,352 USD
View
A
Retailer 10
-
$5,352 USD
View
A
Retailer 11
-
$5,352 USD
View
Retailer 12
-
$5,620 USD
SGD 7,594 SGD
View
Price last confirmed 16 days ago
A
Retailer 13
-
$5,727 USD
View
A
Retailer 14
-
$5,865 USD
£4,618 GBP
View
A
Retailer 15
-
$5,887 USD
£4,635 GBP
View
B+
Retailer 16
-
$5,989 USD
View
A
Retailer 17
-
$6,110 USD
View
B+
Retailer 18
-
$6,110 USD
View
B+
Retailer 19
-
$6,309 USD
View
B+
Retailer 20
-
$6,310 USD
View
B+
Retailer 21
-
$6,595 USD
€6,281 EUR
View
B+
Retailer 22
-
$6,906 USD
View
Retailer 23
-
$9,070 USD
£7,142 GBP
View
Price last confirmed 20 days ago
Most Expensive
B
NZ Jewellers
cd12658d-d5f9-4cf2-88fb-76e01f14db34 · Oct 30
$10,094 USD
View
23 more retailers have this diamond
Prices start from $4,518 USDSave up to $5,576 USD

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
$4,518 USD