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Princess|Lab Grown|IGI

16.59ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG603337553

Shape and cutting style on the report: Princess cut

Certificate IGI LG603337553

Diamond specifications and retailer prices

From $17,930 AUD
$12,566 USD
As of November 2, 2026
Save $28,986 AUD (62%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $57,680 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 16.59ct lab-grown princess diamond

This 16.59ct lab-grown princess sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG603337553 or 603337553. Listed at 21 retailers as of November 2, 2026, with a 162% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

16.59
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603337553
Dimensions13.54 × 13.54 × 9.22 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.54 mm13.54 mm16.59 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603337553
Side View
Table 70.0%Crown 47.1°Girdle: ThickPavilion 33.9°Culet: NoneDepth 68.1%

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: Nov 2
Current: $19,900 AUD|Low: $16,411 AUD|High: $55,263 AUD|Avg: $26,430 AUD|-12.7%
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 2$17,094 AUD
Retailer 7$17,778 AUD
Retailer 6$17,930 AUD
Retailer 5$18,584 AUD
Retailer 8$19,143 AUD
Retailer 18$19,541 AUD
Retailer 3$19,830 AUD
Retailer 1$19,900 AUD
Retailer 9$20,326 AUD
Retailer 4$21,147 AUD
Retailer 13$23,187 AUD
Retailer 12$26,832 AUD
Retailer 16$29,144 AUD
Retailer 14$30,696 AUD
Retailer 15$33,313 AUD
Retailer 11$37,382 AUD
Retailer 17$46,916 AUD
Retailer 10$55,263 AUD

33 data points across 18 retailers

21 retailers$17,930 AUD to $46,916 AUD

Retailer 1
-
$17,094 AUD
$11,980 USD
Price last confirmed 13 days ago
Retailer 2
-
$17,778 AUD
$12,459 USD
View
Price last confirmed 14 days ago
B
Retailer 3
-
$17,930 AUD
$12,566 USD
View
Retailer 4
-
$18,584 AUD
$13,024 USD
View
Price last confirmed 12 days ago
B
Retailer 5
-
$19,143 AUD
$13,416 USD
View
Final sale: no returns
B+
Retailer 6
-
$19,541 AUD
$13,695 USD
View
Retailer 7
-
$19,830 AUD
$13,897 USD
View
Price last confirmed 21 days ago
Retailer 8
-
$19,830 AUD
$13,897 USD
View
Price last confirmed 12 days ago
B
Retailer 9
-
$19,900 AUD
$13,946 USD
View
Retailer 10
-
$20,326 AUD
$14,245 USD
View
Price last confirmed 55 days ago
B
Retailer 11
-
$21,147 AUD
$14,820 USD
View
Retailer 12
-
$22,792 AUD
$15,973 USD
View
Price last confirmed 20 days ago
B
Retailer 13
-
$23,187 AUD
£12,795 GBP
View
B
Retailer 14
-
$26,832 AUD
View
B
Retailer 15
-
$29,144 AUD
$20,425 USD
View
B
Retailer 16
-
$30,696 AUD
ZAR 347,538 ZAR
View
B
Retailer 17
-
$33,313 AUD
€22,235 EUR
View
B
Retailer 18
-
$37,382 AUD
View
B
Retailer 19
-
$46,916 AUD
$32,880 USD
View
Retailer 20
-
$55,263 AUD
$38,729 USD
View
Price under review
Most Expensive
Taylor and Hart
YB5G7E1 · Oct 31
$57,680 AUD
$40,424 USD
View
Price under review
20 more retailers have this diamond
Prices start from $17,930 AUDSave up to $28,986 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+
16.59ct Princess
$17,930 AUD