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Princess|Lab Grown|IGI

11.31ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG618409485

Shape and cutting style on the report: Princess cut

Certificate IGI LG618409485

Diamond specifications and retailer prices

From $7,677 NZD
$4,327 USD
As of October 31, 2026
Save $24,916 NZD (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $32,594 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 11.31ct lab-grown princess diamond

This 11.31ct lab-grown princess sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618409485 or 618409485. Listed at 6 retailers as of October 29, 2026, with prices from $7,677 to $32,594, a $24,916 spread on the same certified stone. Brilliant Earth lists it at $32,594. 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

11.31
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618409485
Dimensions12.32 × 12.17 × 8.48 mm
L/W Ratio1.01
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
12.32 mm12.17 mm11.31 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618409485
Side View
Table 73.0%Crown 45.2°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 69.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $32,594 NZD|Low: $7,677 NZD|High: $33,605 NZD|Avg: $14,813 NZD|-3.0%
Brilliant Earth
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
October 29, 2026
Retailer 8$7,677 NZD
Retailer 4$8,043 NZD
Retailer 7$8,297 NZD
Retailer 11$8,366 NZD
Retailer 12$8,570 NZD
Retailer 2$8,888 NZD
Retailer 13$9,827 NZD
Retailer 14$10,411 NZD
Retailer 9$13,953 NZD
Retailer 10$14,569 NZD
Retailer 6$20,067 NZD
Retailer 15$21,005 NZD
Retailer 5$21,918 NZD
Retailer 3$27,035 NZD
Brilliant Earth$32,594 NZD

15 data points across 15 retailers

6 retailers$7,677 NZD to $32,594 NZD

A
Cheapest Retailer
-
$7,677 NZD
$4,327 USD
A
Retailer 2
-
$8,366 NZD
$4,715 USD
View
B+
Retailer 3
-
$8,888 NZD
€4,771 EUR
View
B
Retailer 4
-
$13,953 NZD
$7,864 USD
View
B
Retailer 5
-
$14,569 NZD
$8,211 USD
View
Most Expensive
B
Brilliant Earth
10794058A · Oct 29
$32,594 NZD
$18,370 USD
View
5 more retailers have this diamond
Prices start from $7,677 NZDSave up to $24,916 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.

A
11.31ct Princess
$7,677 NZD