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Round|Natural|IGI

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • IGI 803677130

Shape and cutting style on the report: Round brilliant

Certificate IGI 803677130

Diamond specifications and retailer prices

From $2,092 SGD
As of October 31, 2026
Save $13,165 SGD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $15,880 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 IGI 803677130. Listed at 22 retailers as of October 30, 2026, with a 629% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 803677130
Dimensions7.23 × 7.28 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.23 mm7.28 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803677130
Side View
Table 55.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.8%

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: $15,256 SGD|Low: $2,092 SGD|High: $15,612 SGD|Avg: $6,922 SGD|-2.3%
NZ Jewellers
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
October 30, 2026
Retailer 10$2,092 SGD
Retailer 8$2,449 SGD
Retailer 7$2,471 SGD
Retailer 2$3,142 SGD
Retailer 12$3,152 SGD
Retailer 13$4,355 SGD
Retailer 9$7,274 SGD
Retailer 14$7,401 SGD
Retailer 4$8,471 SGD
Retailer 11$8,697 SGD
Retailer 6$9,121 SGD
Retailer 3$9,262 SGD
Retailer 5$13,511 SGD
NZ Jewellers$15,256 SGD

29 data points across 14 retailers

22 retailers$2,092 SGD to $15,256 SGD

A
Cheapest Retailer
-
$2,092 SGD
A
Retailer 2
-
$2,449 SGD
$1,916 USD
View
A
Retailer 3
-
$2,471 SGD
$1,933 USD
View
A
Retailer 4
-
$2,493 SGD
$1,950 USD
View
A
Retailer 5
-
$3,142 SGD
£1,935 GBP
View
A
Retailer 6
-
$3,152 SGD
$2,465 USD
View
A
Retailer 7
-
$3,385 SGD
$2,648 USD
View
A
Retailer 8
-
$3,714 SGD
$2,905 USD
View
A
Retailer 9
-
$4,355 SGD
$3,407 USD
View
Retailer 10
-
$5,069 SGD
$3,965 USD
View
Price last confirmed 10 days ago
A
Retailer 11
-
$7,274 SGD
$5,690 USD
View
A
Retailer 12
-
$7,401 SGD
$5,789 USD
View
A
Retailer 13
-
$8,025 SGD
$6,277 USD
View
B+
Retailer 14
-
$8,697 SGD
$6,803 USD
View
B+
Retailer 15
-
$9,121 SGD
$7,135 USD
View
B+
Retailer 16
-
$9,262 SGD
$7,245 USD
View
Retailer 17
-
$9,335 SGD
$7,302 USD
View
Price last confirmed 23 days ago
Retailer 18
-
$9,495 SGD
$7,427 USD
View
Price last confirmed 35 days ago
Retailer 19
-
$9,640 SGD
$7,541 USD
View
Price last confirmed 32 days ago
B
Retailer 20
-
$15,256 SGD
$11,934 USD
View
Retailer 21
-
$15,612 SGD
$12,212 USD
View
Price last confirmed 28 days ago
Most Expensive
NZ Jewellers
6c06a3cd-2692-446b-97cd-7071d15697d8 · Sep 28
$15,880 SGD
$12,422 USD
View
Price last confirmed 33 days ago
21 more retailers have this diamond
Prices start from $2,092 SGDSave up to $13,165 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
$2,092 SGD