CaratHunter
Plans
Oval|Natural|GIA

1.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 5563520590

Certificate GIA 5563520590

Diamond specifications and retailer prices

From $5,776 SGD
HK$35,300 HKD
As of November 1, 2026
Save $7,128 SGD (55%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $12,904 SGD 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 $5,776 to $12,904, a $7,128 spread on the same certified stone. NZ Jewellers lists it at $12,904. 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: $12,904 SGD|Low: $5,596 SGD|High: $17,033 SGD|Avg: $7,520 SGD|+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 1, 2026
Retailer 22$5,776 SGD
Retailer 15$5,810 SGD
Retailer 16$5,822 SGD
Retailer 20$5,928 SGD
Retailer 14$5,983 SGD
Retailer 6$6,095 SGD
Retailer 4$6,225 SGD
Retailer 9$6,452 SGD
Retailer 10$6,842 SGD
Retailer 11$6,842 SGD
Retailer 19$6,989 SGD
Retailer 17$7,184 SGD
Retailer 23$7,321 SGD
Retailer 2$7,475 SGD
Retailer 18$7,526 SGD
Retailer 5$7,811 SGD
Retailer 7$7,811 SGD
Retailer 3$8,065 SGD
Retailer 8$8,067 SGD
Retailer 12$8,330 SGD
Retailer 24$8,431 SGD
Retailer 21$8,829 SGD
Retailer 13$11,367 SGD
NZ Jewellers$12,904 SGD

14 data points across 24 retailers

24 retailers$5,776 SGD to $12,904 SGD

A
Cheapest Retailer
-
$5,776 SGD
HK$35,300 HKD
A
Retailer 2
-
$5,810 SGD
$4,545 USD
View
Retailer 3
-
$5,822 SGD
₹433,691 INR
View
Price last confirmed 17 days ago
A
Retailer 4
-
$5,928 SGD
$4,637 USD
View
A
Retailer 5
-
$5,983 SGD
$4,680 USD
View
A
Retailer 6
-
$6,095 SGD
$4,768 USD
View
A
Retailer 7
-
$6,225 SGD
$4,869 USD
View
A
Retailer 8
-
$6,452 SGD
$5,047 USD
View
Final sale: no returns
A
Retailer 9
-
$6,842 SGD
$5,352 USD
View
A
Retailer 10
-
$6,842 SGD
$5,352 USD
View
A
Retailer 11
-
$6,989 SGD
$5,467 USD
View
Retailer 12
-
$7,184 SGD
View
Price last confirmed 17 days ago
A
Retailer 13
-
$7,321 SGD
$5,727 USD
View
A
Retailer 14
-
$7,475 SGD
£4,604 GBP
View
A
Retailer 15
-
$7,526 SGD
£4,635 GBP
View
B+
Retailer 16
-
$7,656 SGD
$5,989 USD
View
A
Retailer 17
-
$7,811 SGD
$6,110 USD
View
B+
Retailer 18
-
$7,811 SGD
$6,110 USD
View
B+
Retailer 19
-
$8,065 SGD
$6,309 USD
View
B+
Retailer 20
-
$8,067 SGD
$6,310 USD
View
B+
Retailer 21
-
$8,431 SGD
€6,281 EUR
View
B+
Retailer 22
-
$8,829 SGD
$6,906 USD
View
B+
Retailer 23
-
$11,367 SGD
£7,001 GBP
View
Most Expensive
B
NZ Jewellers
cd12658d-d5f9-4cf2-88fb-76e01f14db34 · Oct 30
$12,904 SGD
$10,094 USD
View
23 more retailers have this diamond
Prices start from $5,776 SGDSave up to $7,128 SGD

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
$5,776 SGD