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Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6552995075

Certificate GIA 6552995075

Diamond specifications and retailer prices

From $6,807 SGD
HK$41,600 HKD
As of November 1, 2026
Save $6,599 SGD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $14,969 SGD at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round 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 and certified by GIA 6552995075. Listed at 15 retailers as of November 1, 2026, with a 97% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552995075
Dimensions7.25 × 7.29 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.25 mm7.29 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552995075
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: $10,418 SGD|Low: $6,489 SGD|High: $13,406 SGD|Avg: $8,755 SGD|-2.7%
Retailer 1
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
November 1, 2026
Retailer 15$6,807 SGD
Retailer 6$6,890 SGD
Retailer 14$7,190 SGD
Retailer 13$7,204 SGD
Retailer 8$7,581 SGD
Retailer 12$7,609 SGD
Retailer 7$8,261 SGD
Retailer 9$8,454 SGD
Retailer 11$8,668 SGD
Retailer 16$9,166 SGD
Retailer 3$9,307 SGD
Retailer 2$9,551 SGD
Retailer 4$9,614 SGD
Retailer 1$10,418 SGD
Retailer 5$10,489 SGD
Retailer 10$13,406 SGD

24 data points across 16 retailers

15 retailers$6,807 SGD to $13,406 SGD

A
Cheapest Retailer
-
$6,807 SGD
HK$41,600 HKD
A
Retailer 2
-
$7,190 SGD
$5,624 USD
View
A
Retailer 3
-
$7,204 SGD
$5,635 USD
View
A
Retailer 4
-
$7,609 SGD
$5,952 USD
View
Final sale: no returns
A
Retailer 5
-
$8,454 SGD
£5,207 GBP
View
A
Retailer 6
-
$8,668 SGD
£5,339 GBP
View
Retailer 7
-
$8,950 SGD
$7,001 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
$9,166 SGD
$7,170 USD
View
B+
Retailer 9
-
$9,307 SGD
$7,280 USD
View
B+
Retailer 10
-
$9,551 SGD
€7,115 EUR
View
B+
Retailer 11
-
$9,614 SGD
$7,520 USD
View
Retailer 12
-
$10,327 SGD
$8,078 USD
View
Price last confirmed 34 days ago
B+
Retailer 13
-
$10,418 SGD
$8,149 USD
View
B
Retailer 14
-
$13,406 SGD
£8,257 GBP
View
Most Expensive
NZ Jewellers
7636fe49-2ea9-4b23-907b-2cc38d964eac · Sep 27
$14,969 SGD
$11,709 USD
View
Price last confirmed 35 days ago
14 more retailers have this diamond
Prices start from $6,807 SGDSave up to $6,599 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 Round
$6,807 SGD