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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6415623764

Certificate GIA 6415623764

Diamond specifications and retailer prices

From $6,611 SGD
HK$40,400 HKD
As of October 31, 2026
Save $9,165 SGD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $15,776 SGD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.5ct natural round diamond

This 1.5ct 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 6415623764. Listed at 18 retailers as of October 31, 2026, with prices from $6,611 to $15,776, a $9,165 spread on the same certified stone. Diamond Quarter lists it at $15,776. 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

1.50
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6415623764
Dimensions7.38 × 7.35 × 4.50 mm
L/W Ratio1.00
Top View
7.38 mm7.35 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6415623764
Side View
Table 57.0%CrownGirdle: MED-SLIPavilionCulet: NoneDepth 61.1%

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: $8,470 SGD|Low: $6,545 SGD|High: $14,870 SGD|Avg: $9,189 SGD|-0.6%
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 8$6,611 SGD
Retailer 4$7,205 SGD
Retailer 5$7,725 SGD
Retailer 3$8,206 SGD
Retailer 12$8,207 SGD
Retailer 10$8,284 SGD
Retailer 1$8,470 SGD
Retailer 14$8,891 SGD
Retailer 7$8,898 SGD
Retailer 13$9,028 SGD
Retailer 6$9,096 SGD
Retailer 9$9,716 SGD
Retailer 2$10,259 SGD
Retailer 11$13,169 SGD
Retailer 15$14,870 SGD

30 data points across 15 retailers

18 retailers$6,611 SGD to $15,776 SGD

A
Cheapest Retailer
-
$6,611 SGD
HK$40,400 HKD
A
Retailer 2
-
$7,205 SGD
₹536,737 INR
View
Retailer 3
-
$7,530 SGD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$7,725 SGD
$6,043 USD
View
A
Retailer 5
-
$7,753 SGD
$6,065 USD
View
B+
Retailer 6
-
$8,206 SGD
$6,419 USD
View
Final sale: no returns
A
Retailer 7
-
$8,207 SGD
$6,420 USD
View
A
Retailer 8
-
$8,284 SGD
£5,103 GBP
View
A
Retailer 9
-
$8,470 SGD
£5,217 GBP
View
B+
Retailer 10
-
$8,891 SGD
$6,955 USD
View
B+
Retailer 11
-
$8,898 SGD
$6,960 USD
View
B+
Retailer 12
-
$9,028 SGD
$7,062 USD
View
B+
Retailer 13
-
$9,096 SGD
$7,115 USD
View
B+
Retailer 14
-
$9,716 SGD
€7,238 EUR
View
B+
Retailer 15
-
$10,259 SGD
$8,025 USD
View
B
Retailer 16
-
$13,169 SGD
£8,111 GBP
View
B
Retailer 17
-
$14,870 SGD
$11,632 USD
View
Most Expensive
B
Diamond Quarter
1.5SI2G646416B8N · Oct 31
$15,776 SGD
£9,717 GBP
View
17 more retailers have this diamond
Prices start from $6,611 SGDSave up to $9,165 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
1.50ct Round
$6,611 SGD