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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2527673497

Certificate GIA 2527673497

Diamond specifications and retailer prices

From $5,971 SGD
As of November 6, 2026
Save $6,968 SGD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $12,939 SGD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2527673497. Listed at 25 retailers as of November 5, 2026, with prices from $5,971 to $12,939, a $6,968 spread on the same certified stone. NZ Jewellers lists it at $12,939. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2527673497
Dimensions7.31 × 7.26 × 4.51 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
7.31 mm7.26 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527673497
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $12,939 SGD|Low: $5,692 SGD|High: $12,939 SGD|Avg: $8,169 SGD|+4.1%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 6, 2026
Retailer 10$5,971 SGD
Retailer 2$6,026 SGD
Retailer 16$6,549 SGD
Retailer 18$6,621 SGD
Retailer 9$6,746 SGD
Retailer 5$7,115 SGD
Retailer 8$7,141 SGD
Retailer 4$7,209 SGD
Retailer 20$7,422 SGD
Retailer 15$7,428 SGD
Retailer 6$7,638 SGD
Retailer 7$7,736 SGD
Retailer 23$7,736 SGD
Retailer 13$7,913 SGD
Retailer 3$7,936 SGD
Retailer 11$7,993 SGD
Retailer 19$8,220 SGD
Retailer 12$8,926 SGD
Retailer 17$9,438 SGD
Retailer 14$11,338 SGD
Retailer 21$11,367 SGD
Retailer 22$11,655 SGD
NZ Jewellers$12,939 SGD

17 data points across 23 retailers

25 retailers$5,971 SGD to $12,939 SGD

A
Cheapest Retailer
-
$5,971 SGD
A
Retailer 2
-
$6,026 SGD
View
A
Retailer 3
-
$6,504 SGD
View
Retailer 4
-
$6,549 SGD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$6,621 SGD
View
B+
Retailer 6
-
$6,746 SGD
View
A
Retailer 7
-
$7,115 SGD
View
A
Retailer 8
-
$7,141 SGD
View
Final sale: no returns
B+
Retailer 9
-
$7,209 SGD
View
B+
Retailer 10
-
$7,422 SGD
View
Retailer 11
-
$7,428 SGD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$7,638 SGD
View
Retailer 13
-
$7,647 SGD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
$7,736 SGD
View
B+
Retailer 15
-
$7,736 SGD
View
B+
Retailer 16
-
$7,913 SGD
View
B+
Retailer 17
-
$7,936 SGD
View
B+
Retailer 18
-
$7,993 SGD
View
B+
Retailer 19
-
$8,220 SGD
View
B
Retailer 20
-
$8,926 SGD
View
B
Retailer 21
-
$9,438 SGD
View
B
Retailer 22
-
$11,338 SGD
View
B
Retailer 23
-
$11,367 SGD
View
B
Retailer 24
-
$11,655 SGD
View
Most Expensive
B
NZ Jewellers
0328da95-e06d-4905-b7d6-a1d383768632 · Nov 5
$12,939 SGD
$10,096 USD
View
24 more retailers have this diamond
Prices start from $5,971 SGDSave up to $6,968 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
$5,971 SGD