Round|Natural|GIA

1.60ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1508356396

Certificate GIA 1508356396

Diamond specifications and retailer prices

From $9,379 AUD
$6,588 USD
As of October 30, 2026
Save $10,609 AUD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $19,987 AUD 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 $9,379 to $19,987, a $10,609 spread on the same certified stone. NZ Jewellers lists it at $19,987. 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: $19,987 AUD|Low: $8,969 AUD|High: $19,987 AUD|Avg: $12,135 AUD
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$8,969 AUD
Retailer 12$9,184 AUD
Retailer 9$9,379 AUD
Retailer 11$9,443 AUD
Retailer 4$9,994 AUD
Retailer 6$9,994 AUD
Retailer 19$9,994 AUD
Retailer 3$10,826 AUD
Retailer 8$10,993 AUD
Retailer 13$11,205 AUD
Retailer 5$11,459 AUD
Retailer 18$11,462 AUD
Retailer 7$12,492 AUD
Retailer 15$13,039 AUD
Retailer 10$13,163 AUD
Retailer 2$13,283 AUD
Retailer 17$14,551 AUD
Retailer 14$16,744 AUD
Retailer 16$17,402 AUD
NZ Jewellers$19,987 AUD

27 data points across 20 retailers

20 retailers$9,379 AUD to $19,987 AUD

Retailer 1
-
$8,969 AUD
$6,300 USD
Price last confirmed 8 days ago
Retailer 2
-
$9,184 AUD
HK$50,400 HKD
View
Price last confirmed 46 days ago
B+
Retailer 3
-
$9,379 AUD
$6,588 USD
View
B+
Retailer 4
-
$9,443 AUD
$6,633 USD
View
B+
Retailer 5
-
$9,994 AUD
$7,020 USD
View
Final sale: no returns
B+
Retailer 6
-
$9,994 AUD
$7,020 USD
View
B+
Retailer 7
-
$9,994 AUD
$7,020 USD
View
B+
Retailer 8
-
$10,826 AUD
$7,605 USD
View
B+
Retailer 9
-
$10,993 AUD
$7,722 USD
View
B+
Retailer 10
-
$11,205 AUD
£6,197 GBP
View
B
Retailer 11
-
$11,459 AUD
$8,049 USD
View
Retailer 12
-
$11,462 AUD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$12,492 AUD
$8,775 USD
View
B
Retailer 14
-
$13,039 AUD
€8,723 EUR
View
Retailer 15
-
$13,163 AUD
$9,246 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$13,283 AUD
£7,347 GBP
View
B
Retailer 17
-
$14,551 AUD
ZAR 165,124 ZAR
View
B
Retailer 18
-
$16,744 AUD
£9,261 GBP
View
B
Retailer 19
-
$17,402 AUD
£9,625 GBP
View
Most Expensive
B
NZ Jewellers
6f28d0ad-7bea-47b1-b1c5-904aff7fb941 · Oct 27
$19,987 AUD
$14,040 USD
View
19 more retailers have this diamond
Prices start from $9,379 AUDSave up to $10,609 AUD

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
$9,379 AUD