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Round|Natural|GIA

1.51ct D I1 Round Natural Diamond

VG • D/I1 • GIA 6551703440

Certificate GIA 6551703440

Diamond specifications and retailer prices

From $5,318 SGD
HK$32,500 HKD
As of October 31, 2026
Save $6,386 SGD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,704 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 I1 clarity (included), with a very-good cut grade and certified by GIA 6551703440. Listed at 11 retailers as of October 26, 2026, with prices from $5,318 to $11,704, a $6,386 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,704. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551703440
Dimensions7.07 × 7.16 × 4.63 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Knot, Needle, Indented Natural
Top View
7.07 mm7.16 mm1.51 ctD / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551703440
Side View
Table 57.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 65.0%

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: $7,733 SGD|Low: $5,269 SGD|High: $13,001 SGD|Avg: $8,642 SGD|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 1, 2026
Retailer 6$5,318 SGD
Retailer 4$5,420 SGD
Retailer 5$5,987 SGD
Retailer 2$6,256 SGD
Retailer 3$6,864 SGD
Retailer 1$7,733 SGD
Retailer 9$7,774 SGD
Retailer 7$7,920 SGD
Retailer 8$11,479 SGD
Wholesale Diamonds Direct$11,704 SGD

45 data points across 10 retailers

11 retailers$5,318 SGD to $11,704 SGD

A
Cheapest Retailer
-
$5,318 SGD
HK$32,500 HKD
A
Retailer 2
-
$5,420 SGD
₹403,768 INR
View
B+
Retailer 3
-
$5,987 SGD
$4,683 USD
View
A
Retailer 4
-
$6,256 SGD
$4,894 USD
View
B+
Retailer 5
-
$6,864 SGD
$5,369 USD
View
B+
Retailer 6
-
$7,733 SGD
€5,761 EUR
View
B+
Retailer 7
-
$7,774 SGD
$6,081 USD
View
B+
Retailer 8
-
$7,774 SGD
$6,081 USD
View
B+
Retailer 9
-
$7,920 SGD
$6,195 USD
View
B
Retailer 10
-
$11,479 SGD
$8,979 USD
View
Most Expensive
B
Wholesale Diamonds Direct
257502714 · Oct 26
$11,704 SGD
$9,155 USD
View
10 more retailers have this diamond
Prices start from $5,318 SGDSave up to $6,386 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
$5,318 SGD