CaratHunter
Plans
Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2245021465

Certificate GIA 2245021465

Diamond specifications and retailer prices

From $8,545 SGD
HK$52,200 HKD
As of November 1, 2026
Save $7,484 SGD (47%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,029 SGD at MOH London · As of November 2, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245021465. Listed at 19 retailers as of November 1, 2026, with prices from $8,545 to $16,029, a $7,484 spread on the same certified stone. MOH London lists it at $16,029. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2245021465
Dimensions7.30 × 7.33 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.30 mm7.33 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245021465
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: $16,029 SGD|Low: $8,545 SGD|High: $16,682 SGD|Avg: $11,288 SGD|-2.6%
MOH London
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
November 2, 2026
Retailer 5$8,545 SGD
Retailer 15$8,588 SGD
Retailer 4$8,708 SGD
Retailer 16$8,833 SGD
Retailer 18$8,969 SGD
Retailer 11$9,512 SGD
Retailer 3$9,542 SGD
Retailer 6$9,580 SGD
Retailer 13$10,563 SGD
Retailer 7$10,753 SGD
Retailer 10$11,028 SGD
Retailer 2$11,446 SGD
Retailer 8$11,446 SGD
Retailer 12$11,830 SGD
Retailer 14$11,881 SGD
Retailer 9$12,054 SGD
Retailer 17$14,130 SGD
MOH London$16,029 SGD

28 data points across 18 retailers

19 retailers$8,545 SGD to $16,029 SGD

A
Cheapest Retailer
-
$8,545 SGD
HK$52,200 HKD
A
Retailer 2
-
$8,588 SGD
$6,715 USD
View
A
Retailer 3
-
$8,708 SGD
$6,809 USD
View
A
Retailer 4
-
$8,833 SGD
$6,907 USD
View
A
Retailer 5
-
$8,969 SGD
A$10,789 AUD
View
B+
Retailer 6
-
$9,512 SGD
CA$10,331 CAD
View
B+
Retailer 7
-
$9,542 SGD
$7,461 USD
View
Final sale: no returns
B+
Retailer 8
-
$9,580 SGD
$7,491 USD
View
B+
Retailer 9
-
$10,563 SGD
£6,504 GBP
View
B+
Retailer 10
-
$10,753 SGD
$8,408 USD
View
Retailer 11
-
$11,028 SGD
A$13,266 AUD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$11,446 SGD
$8,950 USD
View
B+
Retailer 13
-
$11,446 SGD
$8,950 USD
View
B+
Retailer 14
-
$11,830 SGD
$9,250 USD
View
B+
Retailer 15
-
$11,881 SGD
€8,848 EUR
View
Retailer 16
-
$12,054 SGD
$9,426 USD
View
Price last confirmed 7 days ago
Retailer 17
-
$12,887 SGD
$10,077 USD
View
Price last confirmed 19 days ago
B
Retailer 18
-
$14,130 SGD
ZAR 178,494 ZAR
View
Most Expensive
B
MOH London
C7551D8A6 · Nov 2
$16,029 SGD
£9,869 GBP
View
18 more retailers have this diamond
Prices start from $8,545 SGDSave up to $7,484 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
$8,545 SGD