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Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2245021536

Certificate GIA 2245021536

Diamond specifications and retailer prices

From $5,311 SGD
As of October 31, 2026
Save $4,212 SGD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,523 SGD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 2245021536. Listed at 8 retailers as of October 26, 2026, with prices from $5,311 to $9,523, a $4,212 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,523. 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 angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2245021536
Dimensions7.30 × 4.57 × 4.57 mm
L/W Ratio1.60
Culet sizeNone
Top View
7.30 mm4.57 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245021536
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.6%

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: Oct 31
Current: $5,892 SGD|Low: $5,311 SGD|High: $10,436 SGD|Avg: $6,897 SGD|-6.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 31, 2026
Retailer 5$5,311 SGD
Retailer 3$5,523 SGD
Retailer 7$5,691 SGD
Retailer 1$5,892 SGD
Retailer 6$6,590 SGD
Retailer 2$6,759 SGD
Retailer 4$6,819 SGD
Wholesale Diamonds Direct$9,523 SGD

44 data points across 8 retailers

8 retailers$5,311 SGD to $9,523 SGD

A
Cheapest Retailer
-
$5,311 SGD
A
Retailer 2
-
$5,523 SGD
$4,320 USD
View
A
Retailer 3
-
$5,691 SGD
View
A
Retailer 4
-
$5,892 SGD
£3,629 GBP
View
A
Retailer 5
-
$6,590 SGD
$5,155 USD
View
A
Retailer 6
-
$6,759 SGD
€5,035 EUR
View
A
Retailer 7
-
$6,819 SGD
£4,200 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
364013156 · Oct 26
$9,523 SGD
$7,449 USD
View
7 more retailers have this diamond
Prices start from $5,311 SGDSave up to $4,212 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
$5,311 SGD