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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 HK$35,450 HKD
As of November 1, 2026
Save HK$43,744 HKD (55%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$79,194 HKD 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 HK$35,450 to HK$79,194, a HK$43,744 spread on the same certified stone. NZ Jewellers lists it at HK$79,194. 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: HK$79,194 HKD|Low: HK$34,345 HKD|High: HK$104,536 HKD|Avg: HK$46,135 HKD|+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 23HK$35,450 HKD
Retailer 15HK$35,659 HKD
Retailer 16HK$35,727 HKD
Retailer 21HK$36,381 HKD
Retailer 14HK$36,718 HKD
Retailer 6HK$37,408 HKD
Retailer 4HK$38,201 HKD
Retailer 9HK$39,597 HKD
Retailer 10HK$41,990 HKD
Retailer 11HK$41,990 HKD
Retailer 20HK$42,892 HKD
Retailer 17HK$44,089 HKD
Retailer 24HK$44,932 HKD
Retailer 18HK$45,874 HKD
Retailer 13HK$46,185 HKD
Retailer 5HK$47,937 HKD
Retailer 7HK$47,937 HKD
Retailer 3HK$49,499 HKD
Retailer 8HK$49,506 HKD
Retailer 12HK$51,123 HKD
Retailer 2HK$51,718 HKD
Retailer 22HK$54,182 HKD
Retailer 19HK$69,758 HKD
NZ JewellersHK$79,194 HKD

15 data points across 24 retailers

24 retailersHK$35,450 HKD to HK$79,194 HKD

A
Cheapest Retailer
-
HK$35,450 HKD
A
Retailer 2
-
HK$35,659 HKD
$4,545 USD
View
Retailer 3
-
HK$35,727 HKD
₹433,691 INR
View
Price last confirmed 17 days ago
A
Retailer 4
-
HK$36,381 HKD
$4,637 USD
View
A
Retailer 5
-
HK$36,718 HKD
$4,680 USD
View
A
Retailer 6
-
HK$37,408 HKD
$4,768 USD
View
A
Retailer 7
-
HK$38,201 HKD
$4,869 USD
View
A
Retailer 8
-
HK$39,597 HKD
$5,047 USD
View
Final sale: no returns
A
Retailer 9
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HK$41,990 HKD
$5,352 USD
View
A
Retailer 10
-
HK$41,990 HKD
$5,352 USD
View
A
Retailer 11
-
HK$42,892 HKD
$5,467 USD
View
Retailer 12
-
HK$44,089 HKD
SGD 7,594 SGD
View
Price last confirmed 18 days ago
A
Retailer 13
-
HK$44,932 HKD
$5,727 USD
View
A
Retailer 14
-
HK$45,874 HKD
£4,604 GBP
View
A
Retailer 15
-
HK$46,185 HKD
£4,635 GBP
View
B+
Retailer 16
-
HK$46,988 HKD
$5,989 USD
View
A
Retailer 17
-
HK$47,937 HKD
$6,110 USD
View
B+
Retailer 18
-
HK$47,937 HKD
$6,110 USD
View
B+
Retailer 19
-
HK$49,499 HKD
$6,309 USD
View
B+
Retailer 20
-
HK$49,506 HKD
$6,310 USD
View
B+
Retailer 21
-
HK$51,718 HKD
€6,278 EUR
View
B+
Retailer 22
-
HK$54,182 HKD
$6,906 USD
View
B+
Retailer 23
-
HK$69,758 HKD
£7,001 GBP
View
Most Expensive
B
NZ Jewellers
cd12658d-d5f9-4cf2-88fb-76e01f14db34 · Oct 30
HK$79,194 HKD
$10,094 USD
View
23 more retailers have this diamond
Prices start from HK$35,450 HKDSave up to HK$43,744 HKD

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
HK$35,450 HKD