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1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6561487499

Certificate GIA 6561487499

Diamond specifications and retailer prices

From $4,330 SGD
$3,387 USD
As of October 31, 2026
Save $6,970 SGD (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,300 SGD at MOH London · As of October 26, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561487499. Listed at 19 retailers as of October 26, 2026, with prices from $4,330 to $11,300, a $6,970 spread on the same certified stone. MOH London lists it at $11,300. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561487499
Dimensions7.48 × 7.45 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
7.48 mm7.45 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561487499
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.9%

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: $11,300 SGD|Low: $4,330 SGD|High: $12,748 SGD|Avg: $7,624 SGD|-0.6%
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
Retailer 19
November 2, 2026
Retailer 4$4,330 SGD
Retailer 18$4,660 SGD
Retailer 6$4,840 SGD
Retailer 14$5,269 SGD
Retailer 13$5,505 SGD
Retailer 10$5,644 SGD
Retailer 19$5,946 SGD
Retailer 2$6,052 SGD
Retailer 16$6,271 SGD
Retailer 7$6,564 SGD
Retailer 12$6,634 SGD
Retailer 3$6,921 SGD
Retailer 9$7,223 SGD
Retailer 5$8,119 SGD
Retailer 11$8,199 SGD
Retailer 15$8,450 SGD
Retailer 17$8,650 SGD
Retailer 8$10,711 SGD
MOH London$11,300 SGD

22 data points across 19 retailers

19 retailers$4,330 SGD to $11,300 SGD

A
Cheapest Retailer
-
$4,330 SGD
$3,387 USD
A
Retailer 2
-
$4,660 SGD
$3,645 USD
View
A
Retailer 3
-
$4,840 SGD
$3,786 USD
View
A
Retailer 4
-
$5,269 SGD
HK$32,200 HKD
View
A
Retailer 5
-
$5,505 SGD
$4,306 USD
View
Retailer 6
-
$5,644 SGD
$4,415 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$5,946 SGD
$4,651 USD
View
A
Retailer 8
-
$6,052 SGD
$4,734 USD
View
Final sale: no returns
A
Retailer 9
-
$6,271 SGD
$4,905 USD
View
A
Retailer 10
-
$6,564 SGD
View
A
Retailer 11
-
$6,634 SGD
£4,086 GBP
View
A
Retailer 12
-
$6,921 SGD
$5,414 USD
View
A
Retailer 13
-
$7,223 SGD
$5,650 USD
View
B+
Retailer 14
-
$8,119 SGD
$6,351 USD
View
B+
Retailer 15
-
$8,450 SGD
$6,610 USD
View
B+
Retailer 16
-
$8,650 SGD
£5,328 GBP
View
B
Retailer 17
-
$10,711 SGD
$8,378 USD
View
Retailer 18
-
$10,821 SGD
$8,464 USD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
651FA8153 · Oct 26
$11,300 SGD
£6,960 GBP
View
18 more retailers have this diamond
Prices start from $4,330 SGDSave up to $6,970 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
$4,330 SGD