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Princess|Lab Grown|IGI

2.50ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG508138498

Shape and cutting style on the report: Princess cut

Certificate IGI LG508138498

Diamond specifications and retailer prices

From $3,451 NZD
As of November 4, 2026
Save $14,198 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $17,649 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 2.5ct lab-grown princess diamond

This 2.5ct lab-grown princess sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508138498 or 508138498. Listed at 13 retailers as of November 4, 2026, with prices from $3,451 to $17,649, a $14,198 spread on the same certified stone. MOH London lists it at $17,649. 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

2.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508138498
Dimensions7.48 × 7.25 × 5.33 mm
L/W Ratio1.03
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
7.48 mm7.25 mm2.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508138498
Side View
Table 74.0%Crown 39°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 73.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $17,649 NZD|Low: $3,451 NZD|High: $17,934 NZD|Avg: $10,130 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$3,451 NZD
Retailer 7$7,123 NZD
Retailer 3$7,464 NZD
Retailer 8$8,261 NZD
Retailer 11$8,261 NZD
Retailer 10$10,323 NZD
Retailer 4$10,741 NZD
Retailer 6$10,956 NZD
Retailer 2$11,095 NZD
Retailer 9$12,796 NZD
MOH London$17,649 NZD

46 data points across 11 retailers

13 retailers$3,451 NZD to $17,649 NZD

B+
Cheapest Retailer
-
$3,451 NZD
B
Retailer 2
-
$7,123 NZD
View
B
Retailer 3
-
$7,464 NZD
View
B
Retailer 4
-
$7,975 NZD
View
Final sale: no returns
B
Retailer 5
-
$8,261 NZD
View
Retailer 6
-
$8,261 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$8,361 NZD
View
B
Retailer 8
-
$10,323 NZD
View
B
Retailer 9
-
$10,741 NZD
View
B
Retailer 10
-
$10,956 NZD
View
B
Retailer 11
-
$11,095 NZD
View
B
Retailer 12
-
$12,796 NZD
View
Most Expensive
B
MOH London
LG508138498 · Nov 5
$17,649 NZD
£7,812 GBP
View
12 more retailers have this diamond
Prices start from $3,451 NZDSave up to $14,198 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+
2.50ct Princess
$3,451 NZD