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Round|Natural|GIA

1.51ct H IF Round Natural Diamond

EX • H/IF • GIA 1242057320

Certificate GIA 1242057320

Diamond specifications and retailer prices

From $12,130 SGD
As of November 1, 2026
Save $6,664 SGD (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $18,794 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 H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1242057320. Listed at 7 retailers as of November 1, 2026, with prices from $12,130 to $18,794, a $6,664 spread on the same certified stone. MOH London lists it at $18,794. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1242057320
Dimensions7.29 × 7.33 × 4.52 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.29 mm7.33 mm1.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242057320
Side View
Table 58.0%Crown 35°Girdle: Sli. ThickPavilion 40.8°Culet: NoneDepth 61.7%

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: $18,794 SGD|Low: $12,130 SGD|High: $20,380 SGD|Avg: $14,708 SGD|-5.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$12,130 SGD
Retailer 4$12,411 SGD
Retailer 2$12,969 SGD
Retailer 7$13,648 SGD
Retailer 5$14,356 SGD
Retailer 3$15,093 SGD
MOH London$18,794 SGD

41 data points across 7 retailers

7 retailers$12,130 SGD to $18,794 SGD

A
Cheapest Retailer
-
$12,130 SGD
A
Retailer 2
-
$12,411 SGD
View
B+
Retailer 3
-
$12,969 SGD
View
Retailer 4
-
$13,648 SGD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$14,356 SGD
View
B+
Retailer 6
-
$15,093 SGD
View
Most Expensive
B
MOH London
87C91E364 · Nov 2
$18,794 SGD
£11,547 GBP
View
6 more retailers have this diamond
Prices start from $12,130 SGDSave up to $6,664 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
$12,130 SGD