Round|Natural|GIA

1.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1508356396

Certificate GIA 1508356396

Diamond specifications and retailer prices

From $8,422 SGD
$6,588 USD
As of October 30, 2026
Save $9,527 SGD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $17,949 SGD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.6ct natural round diamond

This 1.6ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1508356396. Listed at 20 retailers as of October 27, 2026, with prices from $8,422 to $17,949, a $9,527 spread on the same certified stone. NZ Jewellers lists it at $17,949. 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

1.60
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1508356396
Dimensions7.44 × 7.39 × 4.65 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle, Natural
Top View
7.44 mm7.39 mm1.60 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1508356396
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 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 30
Current: $17,949 SGD|Low: $8,054 SGD|High: $17,949 SGD|Avg: $10,898 SGD
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
October 30, 2026
Retailer 20$8,054 SGD
Retailer 12$8,247 SGD
Retailer 9$8,422 SGD
Retailer 11$8,480 SGD
Retailer 4$8,974 SGD
Retailer 6$8,974 SGD
Retailer 19$8,974 SGD
Retailer 3$9,722 SGD
Retailer 8$9,872 SGD
Retailer 13$10,062 SGD
Retailer 5$10,290 SGD
Retailer 18$10,293 SGD
Retailer 7$11,218 SGD
Retailer 15$11,709 SGD
Retailer 10$11,820 SGD
Retailer 2$11,928 SGD
Retailer 17$13,067 SGD
Retailer 14$15,036 SGD
Retailer 16$15,627 SGD
NZ Jewellers$17,949 SGD

27 data points across 20 retailers

20 retailers$8,422 SGD to $17,949 SGD

Retailer 1
-
$8,054 SGD
$6,300 USD
Price last confirmed 7 days ago
Retailer 2
-
$8,247 SGD
HK$50,400 HKD
View
Price last confirmed 45 days ago
B+
Retailer 3
-
$8,422 SGD
$6,588 USD
View
B+
Retailer 4
-
$8,480 SGD
$6,633 USD
View
B+
Retailer 5
-
$8,974 SGD
$7,020 USD
View
Final sale: no returns
B+
Retailer 6
-
$8,974 SGD
$7,020 USD
View
B+
Retailer 7
-
$8,974 SGD
$7,020 USD
View
B+
Retailer 8
-
$9,722 SGD
$7,605 USD
View
B+
Retailer 9
-
$9,872 SGD
$7,722 USD
View
B+
Retailer 10
-
$10,062 SGD
£6,197 GBP
View
B
Retailer 11
-
$10,290 SGD
$8,049 USD
View
Retailer 12
-
$10,293 SGD
A$12,386 AUD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$11,218 SGD
$8,775 USD
View
B
Retailer 14
-
$11,709 SGD
€8,723 EUR
View
Retailer 15
-
$11,820 SGD
$9,246 USD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$11,928 SGD
£7,347 GBP
View
B
Retailer 17
-
$13,067 SGD
ZAR 165,124 ZAR
View
B
Retailer 18
-
$15,036 SGD
£9,261 GBP
View
B
Retailer 19
-
$15,627 SGD
£9,625 GBP
View
Most Expensive
B
NZ Jewellers
6f28d0ad-7bea-47b1-b1c5-904aff7fb941 · Oct 27
$17,949 SGD
$14,040 USD
View
19 more retailers have this diamond
Prices start from $8,422 SGDSave up to $9,527 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+
1.60ct Round
$8,422 SGD