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Round|Natural|GIA

1.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6552881090

Certificate GIA 6552881090

Diamond specifications and retailer prices

From $9,372 SGD
$7,310 USD
As of October 27, 2026
Save $11,304 SGD (55%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $20,676 SGD at NZ Jewellers · As of October 27, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552881090. Listed at 26 retailers as of October 27, 2026, with prices from $9,372 to $20,676, a $11,304 spread on the same certified stone. NZ Jewellers lists it at $20,676. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552881090
Dimensions7.27 × 7.30 × 4.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
7.27 mm7.30 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552881090
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $12,825 SGD|Low: $9,012 SGD|High: $17,435 SGD|Avg: $12,162 SGD|+3.8%
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
October 28, 2026
Retailer 14$9,680 SGD
Retailer 12$9,913 SGD
Retailer 15$10,289 SGD
Retailer 2$11,017 SGD
Retailer 8$11,394 SGD
Retailer 10$11,419 SGD
Retailer 13$11,470 SGD
Retailer 3$12,257 SGD
Retailer 5$12,257 SGD
Retailer 7$12,527 SGD
Retailer 6$12,667 SGD
Retailer 1$12,825 SGD
Retailer 4$13,611 SGD
Retailer 11$14,919 SGD
Retailer 9$17,251 SGD

40 data points across 15 retailers

26 retailers$9,372 SGD to $20,676 SGD

B+
Cheapest Retailer
-
$9,372 SGD
$7,310 USD
B+
Retailer 2
-
$9,654 SGD
A$11,585 AUD
View
B+
Retailer 3
-
$9,680 SGD
$7,550 USD
View
B+
Retailer 4
-
$9,913 SGD
$7,732 USD
View
Final sale: no returns
B+
Retailer 5
-
$9,954 SGD
$7,764 USD
View
B+
Retailer 6
-
$10,158 SGD
CA$11,004 CAD
View
B+
Retailer 7
-
$10,289 SGD
$8,025 USD
View
B+
Retailer 8
-
$10,338 SGD
$8,063 USD
View
B+
Retailer 9
-
$11,017 SGD
$8,593 USD
View
B+
Retailer 10
-
$11,199 SGD
$8,735 USD
View
B+
Retailer 11
-
$11,372 SGD
$8,870 USD
View
B+
Retailer 12
-
$11,394 SGD
£6,998 GBP
View
B+
Retailer 13
-
$11,419 SGD
A$13,703 AUD
View
B
Retailer 14
-
$11,470 SGD
$8,946 USD
View
B+
Retailer 15
-
$11,880 SGD
$9,266 USD
View
B+
Retailer 16
-
$12,257 SGD
$9,560 USD
View
B+
Retailer 17
-
$12,257 SGD
$9,560 USD
View
B+
Retailer 18
-
$12,527 SGD
$9,770 USD
View
B+
Retailer 19
-
$12,667 SGD
$9,880 USD
View
B+
Retailer 20
-
$12,825 SGD
€9,527 EUR
View
B
Retailer 21
-
$12,922 SGD
$10,079 USD
View
B
Retailer 22
-
$13,190 SGD
$10,288 USD
View
B
Retailer 23
-
$13,611 SGD
$10,616 USD
View
B
Retailer 24
-
$14,919 SGD
ZAR 187,985 ZAR
View
B
Retailer 25
-
$17,251 SGD
£10,595 GBP
View
Most Expensive
B
NZ Jewellers
4464d239-44b9-4c6f-8d44-4a71a19c56fa · Oct 27
$20,676 SGD
$16,127 USD
View
25 more retailers have this diamond
Prices start from $9,372 SGDSave up to $11,304 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.

B+
1.50ct Round
$9,372 SGD