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Round|Natural|GIA

1.62ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2239400363

Certificate GIA 2239400363

Diamond specifications and retailer prices

From $11,235 AUD
$7,892 USD
As of October 30, 2026
Save $14,744 AUD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $25,979 AUD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.62ct natural round diamond

This 1.62ct 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 2239400363. Listed at 23 retailers as of October 30, 2026, with prices from $11,235 to $25,979, a $14,744 spread on the same certified stone. Diamond Quarter lists it at $25,979. 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

1.62
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2239400363
Dimensions7.64 × 7.67 × 4.58 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.64 mm7.67 mm1.62 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2239400363
Side View
Table 59.0%Crown 31.5°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 59.8%

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: $11,789 AUD|Low: $10,235 AUD|High: $20,361 AUD|Avg: $13,625 AUD|+15.2%
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
October 31, 2026
Retailer 12$11,235 AUD
Retailer 6$11,554 AUD
Retailer 11$11,588 AUD
Retailer 1$11,789 AUD
Retailer 2$11,937 AUD
Retailer 13$12,375 AUD
Retailer 3$13,194 AUD
Retailer 7$13,436 AUD
Retailer 14$13,755 AUD
Retailer 4$13,765 AUD
Retailer 10$13,773 AUD
Retailer 9$15,022 AUD
Retailer 5$15,410 AUD
Retailer 8$19,432 AUD

42 data points across 14 retailers

23 retailers$11,235 AUD to $25,979 AUD

A
Cheapest Retailer
-
$11,235 AUD
$7,892 USD
A
Retailer 2
-
$11,554 AUD
$8,116 USD
View
A
Retailer 3
-
$11,588 AUD
$8,140 USD
View
A
Retailer 4
-
$11,789 AUD
$8,281 USD
View
A
Retailer 5
-
$11,937 AUD
$8,385 USD
View
B+
Retailer 6
-
$12,375 AUD
$8,693 USD
View
Final sale: no returns
Retailer 7
-
$12,377 AUD
$8,694 USD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
$13,194 AUD
$9,268 USD
View
Retailer 9
-
$13,407 AUD
$9,418 USD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
$13,436 AUD
£7,431 GBP
View
Retailer 11
-
$13,614 AUD
$9,563 USD
View
Price last confirmed 16 days ago
B+
Retailer 12
-
$13,755 AUD
$9,662 USD
View
Retailer 13
-
$13,765 AUD
$9,669 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$13,773 AUD
$9,675 USD
View
Retailer 15
-
$13,957 AUD
$9,804 USD
View
Price last confirmed 50 days ago
B+
Retailer 16
-
$15,022 AUD
$10,552 USD
View
Retailer 17
-
$15,470 AUD
$10,867 USD
View
Price last confirmed 17 days ago
Retailer 18
-
$16,104 AUD
$11,312 USD
View
Price last confirmed 54 days ago
B
Retailer 19
-
$19,432 AUD
£10,748 GBP
View
Retailer 20
-
$20,628 AUD
$14,490 USD
View
Price last confirmed 17 days ago
Retailer 21
-
$21,471 AUD
$15,082 USD
View
Price last confirmed 50 days ago
B
Retailer 22
-
$24,751 AUD
£13,690 GBP
View
Most Expensive
B
Diamond Quarter
1.62SI2D22633E86N · Oct 31
$25,979 AUD
£14,369 GBP
View
22 more retailers have this diamond
Prices start from $11,235 AUDSave up to $14,744 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
1.62ct Round
$11,235 AUD