Princess|Lab Grown|IGI

20.00ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG812631929

Shape and cutting style on the report: Princess cut

Certificate IGI LG812631929

Diamond specifications and retailer prices

From $26,324 NZD
$14,811 USD
As of November 2, 2026
Save $29,842 NZD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $75,981 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 20ct lab-grown princess diamond

This 20ct 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 LG812631929 or 812631929. Listed at 13 retailers as of October 29, 2026, with a 113% 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

20.00
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle57.8°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812631929
Dimensions14.31 × 14.25 × 9.91 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.31 mm14.25 mm20.00 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812631929
Side View
Table 79.0%Crown 57.8°Girdle: STK-THKPavilion 34.8°Culet: NoneDepth 69.5%

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: $55,661 NZD|Low: $25,563 NZD|High: $150,605 NZD|Avg: $50,073 NZD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 1, 2026
Retailer 2$26,324 NZD
Retailer 5$27,378 NZD
Retailer 10$27,895 NZD
Retailer 11$30,477 NZD
Retailer 6$30,730 NZD
Retailer 3$32,038 NZD
Retailer 7$33,498 NZD
Retailer 8$45,837 NZD
Retailer 12$50,902 NZD
Retailer 1$55,661 NZD
Retailer 9$56,166 NZD
Taylor and Hart$75,981 NZD
Retailer 4$150,605 NZD

30 data points across 13 retailers

13 retailers$26,324 NZD to $56,166 NZD

B+
Cheapest Retailer
-
$26,324 NZD
$14,811 USD
B+
Retailer 2
-
$27,378 NZD
$15,404 USD
View
B+
Retailer 3
-
$27,895 NZD
$15,695 USD
View
B
Retailer 4
-
$30,477 NZD
$17,148 USD
View
B+
Retailer 5
-
$30,730 NZD
$17,290 USD
View
B
Retailer 6
-
$32,038 NZD
$18,026 USD
View
Final sale: no returns
B
Retailer 7
-
$33,498 NZD
£14,841 GBP
View
B
Retailer 8
-
$45,837 NZD
ZAR 416,646 ZAR
View
B
Retailer 9
-
$50,902 NZD
$28,640 USD
View
B
Retailer 10
-
$55,661 NZD
A$48,181 AUD
View
B
Retailer 11
-
$56,166 NZD
€30,097 EUR
View
Most Expensive
Taylor and Hart
TY84TBY · Oct 31
$75,981 NZD
$42,751 USD
View
Price under review
11 more retailers have this diamond
Prices start from $26,324 NZDSave up to $29,842 NZD

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+
20.00ct Princess
$26,324 NZD