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Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1555694587

Certificate GIA 1555694587

Diamond specifications and retailer prices

From $7,869 SGD
$6,155 USD
As of October 31, 2026
Save $914 SGD (10%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,762 SGD at Wholesale Diamonds Direct · As of October 21, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555694587. Listed at 15 retailers as of October 30, 2026, with a relatively tight 12% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555694587
Dimensions7.23 × 7.28 × 4.60 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.23 mm7.28 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555694587
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $8,783 SGD|Low: $6,139 SGD|High: $11,293 SGD|Avg: $7,842 SGD
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
Wholesale Diamonds Direct
October 28, 2026
Retailer 3$6,139 SGD
Retailer 6$6,161 SGD
Retailer 10$6,278 SGD
Retailer 12$6,469 SGD
Retailer 13$6,623 SGD
Retailer 4$7,415 SGD
Retailer 14$7,606 SGD
Retailer 11$7,618 SGD
Retailer 7$7,955 SGD
Retailer 2$8,223 SGD
Retailer 8$8,501 SGD
Retailer 9$8,501 SGD
Retailer 1$8,783 SGD
Retailer 5$10,232 SGD
Wholesale Diamonds Direct$10,762 SGD

37 data points across 15 retailers

15 retailers$7,869 SGD to $8,783 SGD

Retailer 1
-
$6,139 SGD
$4,802 USD
Price last confirmed 11 days ago
Retailer 2
-
$6,161 SGD
View
Price last confirmed 10 days ago
Retailer 3
-
$6,278 SGD
$4,911 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$6,469 SGD
View
Price last confirmed 10 days ago
Retailer 5
-
$6,623 SGD
£4,079 GBP
View
Price last confirmed 10 days ago
Retailer 6
-
$7,415 SGD
$5,800 USD
View
Price last confirmed 11 days ago
Retailer 7
-
$7,606 SGD
£4,685 GBP
View
Price last confirmed 9 days ago
Retailer 8
-
$7,618 SGD
€5,675 EUR
View
Price last confirmed 10 days ago
A
Retailer 9
-
$7,869 SGD
$6,155 USD
View
B+
Retailer 10
-
$7,955 SGD
$6,223 USD
View
B+
Retailer 11
-
$8,501 SGD
$6,650 USD
View
B+
Retailer 12
-
$8,501 SGD
$6,650 USD
View
B+
Retailer 13
-
$8,783 SGD
$6,870 USD
View
Retailer 14
-
$10,232 SGD
$8,004 USD
View
Price last confirmed 10 days ago
Most Expensive
Wholesale Diamonds Direct
502681368 · Oct 21
$10,762 SGD
$8,419 USD
View
Price last confirmed 11 days ago
14 more retailers have this diamond
Prices start from $7,869 SGDSave up to $914 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
$7,869 SGD