Round|Natural|GIA

1.60ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6522834405

Certificate GIA 6522834405

Diamond specifications and retailer prices

From $12,506 AUD
$8,785 USD
As of October 30, 2026
Save $11,195 AUD (47%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $23,702 AUD at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6522834405. Listed at 24 retailers as of October 30, 2026, with prices from $12,506 to $23,702, a $11,195 spread on the same certified stone. NZ Jewellers lists it at $23,702. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6522834405
Dimensions7.44 × 7.40 × 4.64 mm
L/W Ratio1.01
Top View
7.44 mm7.40 mm1.60 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6522834405
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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 30
Current: $15,467 AUD|Low: $12,358 AUD|High: $22,479 AUD|Avg: $16,555 AUD|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6$12,506 AUD
Retailer 4$13,005 AUD
Retailer 5$13,699 AUD
Retailer 9$15,169 AUD
Retailer 1$15,467 AUD
Retailer 2$17,162 AUD
Retailer 7$18,712 AUD
Retailer 8$20,273 AUD
Retailer 3$22,240 AUD

40 data points across 9 retailers

24 retailers$12,506 AUD to $23,702 AUD

A
Cheapest Retailer
-
$12,506 AUD
$8,785 USD
B+
Retailer 2
-
$12,941 AUD
$9,090 USD
View
B+
Retailer 3
-
$13,005 AUD
$9,135 USD
View
B+
Retailer 4
-
$13,195 AUD
$9,269 USD
View
B+
Retailer 5
-
$13,551 AUD
$9,519 USD
View
B+
Retailer 6
-
$13,693 AUD
CA$13,359 CAD
View
B+
Retailer 7
-
$13,699 AUD
$9,623 USD
View
Final sale: no returns
B+
Retailer 8
-
$14,222 AUD
$9,990 USD
View
B+
Retailer 9
-
$15,169 AUD
$10,655 USD
View
B+
Retailer 10
-
$15,406 AUD
$10,822 USD
View
B+
Retailer 11
-
$15,467 AUD
£8,555 GBP
View
B+
Retailer 12
-
$15,644 AUD
$10,989 USD
View
B
Retailer 13
-
$15,849 AUD
$11,133 USD
View
B+
Retailer 14
-
$16,414 AUD
$11,530 USD
View
B+
Retailer 15
-
$16,670 AUD
$11,710 USD
View
B+
Retailer 16
-
$16,670 AUD
$11,710 USD
View
B+
Retailer 17
-
$17,162 AUD
€11,481 EUR
View
B+
Retailer 18
-
$17,226 AUD
$12,100 USD
View
B+
Retailer 19
-
$17,309 AUD
$12,159 USD
View
B
Retailer 20
-
$17,776 AUD
$12,487 USD
View
B
Retailer 21
-
$18,226 AUD
$12,803 USD
View
Retailer 22
-
$18,712 AUD
$13,144 USD
View
Price last confirmed 8 days ago
B
Retailer 23
-
$22,240 AUD
£12,301 GBP
View
Most Expensive
B
NZ Jewellers
bd43c1e7-2507-4a0a-8887-b3672a2c11a9 · Oct 30
$23,702 AUD
$16,649 USD
View
23 more retailers have this diamond
Prices start from $12,506 AUDSave up to $11,195 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.

A
1.60ct Round
$12,506 AUD