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Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2556718809

Certificate GIA 2556718809

Diamond specifications and retailer prices

From $6,807 SGD
HK$41,600 HKD
As of October 30, 2026
Save $6,611 SGD (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,418 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556718809. Listed at 10 retailers as of October 26, 2026, with prices from $6,807 to $13,418, a $6,611 spread on the same certified stone. Wholesale Diamonds Direct lists it at $13,418. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556718809
Dimensions7.29 × 7.33 × 4.58 mm
L/W Ratio1.01
Top View
7.29 mm7.33 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556718809
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: 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 30
Current: $9,565 SGD|Low: $6,807 SGD|High: $13,870 SGD|Avg: $8,615 SGD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 30, 2026
Retailer 6$6,807 SGD
Retailer 3$7,028 SGD
Retailer 8$7,383 SGD
Retailer 5$7,884 SGD
Retailer 9$7,928 SGD
Retailer 2$8,164 SGD
Retailer 7$8,197 SGD
Retailer 4$9,528 SGD
Retailer 1$9,565 SGD
Wholesale Diamonds Direct$13,418 SGD

29 data points across 10 retailers

10 retailers$6,807 SGD to $13,418 SGD

A
Cheapest Retailer
-
$6,807 SGD
HK$41,600 HKD
A
Retailer 2
-
$7,028 SGD
₹523,552 INR
View
A
Retailer 3
-
$7,383 SGD
$5,775 USD
View
Final sale: no returns
A
Retailer 4
-
$7,884 SGD
View
Retailer 5
-
$7,928 SGD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$8,164 SGD
$6,386 USD
View
A
Retailer 7
-
$8,197 SGD
$6,412 USD
View
A
Retailer 8
-
$9,528 SGD
£5,868 GBP
View
A
Retailer 9
-
$9,565 SGD
€7,126 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
436402900 · Oct 26
$13,418 SGD
$10,496 USD
View
9 more retailers have this diamond
Prices start from $6,807 SGDSave up to $6,611 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