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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 6542761928

Certificate GIA 6542761928

Diamond specifications and retailer prices

From $4,904 SGD
$3,836 USD
As of October 31, 2026
Save $6,786 SGD (58%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,690 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6542761928. Listed at 21 retailers as of October 30, 2026, with prices from $4,904 to $11,690, a $6,786 spread on the same certified stone. NZ Jewellers lists it at $11,690. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 6542761928
Dimensions7.13 × 7.21 × 4.57 mm
L/W Ratio1.01
Top View
7.13 mm7.21 mm1.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542761928
Side View
Table 56.0%Crown 37.5°Girdle: STK-THKPavilion 40°Culet: NoneDepth 63.8%

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: $5,138 SGD|Low: $4,904 SGD|High: $11,266 SGD|Avg: $7,316 SGD|-1.9%
Retailer 1
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
November 1, 2026
Retailer 2$4,904 SGD
Retailer 1$5,138 SGD
Retailer 14$5,396 SGD
Retailer 9$5,413 SGD
Retailer 7$5,845 SGD
Retailer 5$5,996 SGD
Retailer 15$6,205 SGD
Retailer 13$6,640 SGD
Retailer 10$6,660 SGD
Retailer 6$6,801 SGD
Retailer 4$7,018 SGD
Retailer 3$7,471 SGD
Retailer 8$7,971 SGD
Retailer 11$8,273 SGD
Retailer 12$10,910 SGD

32 data points across 15 retailers

21 retailers$4,904 SGD to $11,690 SGD

A
Cheapest Retailer
-
$4,904 SGD
$3,836 USD
A
Retailer 2
-
$5,138 SGD
HK$31,400 HKD
View
A
Retailer 3
-
$5,396 SGD
$4,221 USD
View
A
Retailer 4
-
$5,413 SGD
$4,234 USD
View
A
Retailer 5
-
$5,556 SGD
$4,346 USD
View
B+
Retailer 6
-
$5,845 SGD
$4,572 USD
View
Final sale: no returns
B+
Retailer 7
-
$5,996 SGD
$4,690 USD
View
B+
Retailer 8
-
$6,205 SGD
$4,854 USD
View
B+
Retailer 9
-
$6,332 SGD
$4,953 USD
View
B+
Retailer 10
-
$6,332 SGD
$4,953 USD
View
A
Retailer 11
-
$6,640 SGD
£4,090 GBP
View
B+
Retailer 12
-
$6,660 SGD
$5,210 USD
View
B+
Retailer 13
-
$6,801 SGD
$5,320 USD
View
B+
Retailer 14
-
$7,018 SGD
$5,490 USD
View
B+
Retailer 15
-
$7,306 SGD
$5,715 USD
View
B+
Retailer 16
-
$7,471 SGD
€5,566 EUR
View
Retailer 17
-
$7,711 SGD
$6,032 USD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$7,971 SGD
$6,235 USD
View
B+
Retailer 19
-
$8,273 SGD
£5,095 GBP
View
B
Retailer 20
-
$10,910 SGD
£6,720 GBP
View
Most Expensive
B
NZ Jewellers
95282ad7-224e-43dd-9cec-cd43601af852 · Oct 30
$11,690 SGD
$9,144 USD
View
20 more retailers have this diamond
Prices start from $4,904 SGDSave up to $6,786 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
$4,904 SGD