CaratHunter
Plans
Princess|Lab Grown|IGI

1.65ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG537213125

Shape and cutting style on the report: Princess cut

Certificate IGI LG537213125

Diamond specifications and retailer prices

From $315 USD
As of October 30, 2026
Save $1,259 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,574 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.65ct lab-grown princess diamond

This 1.65ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG537213125 or 537213125. Listed at 17 retailers as of October 29, 2026, with prices from $315 to $1,574, a $1,259 spread on the same certified stone. MOH London lists it at $1,574. 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

1.65
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537213125
Dimensions6.60 × 6.49 × 4.58 mm
L/W Ratio1.02
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
6.60 mm6.49 mm1.65 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537213125
Side View
Table 72.5%Crown 39.1°Girdle: MediumPavilion 39.3°Culet: NoneDepth 70.6%

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: $1,574 USD|Low: $302 USD|High: $1,585 USD|Avg: $765 USD|-0.7%
MOH London
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
October 31, 2026
Retailer 11$315 USD
Retailer 6$353 USD
Retailer 4$365 USD
Retailer 13$391 USD
Retailer 16$391 USD
Retailer 9$545 USD
Retailer 3$595 USD
Retailer 14$635 USD
Retailer 5$654 USD
Retailer 2$691 USD
Retailer 10$1,146 USD
Retailer 12$1,180 USD
Retailer 15$1,256 USD
Retailer 8$1,302 USD
Retailer 7$1,561 USD
MOH London$1,574 USD

43 data points across 16 retailers

17 retailers$315 USD to $1,574 USD

A
Cheapest Retailer
-
$315 USD
A
Retailer 2
-
$353 USD
View
Final sale: no returns
A
Retailer 3
-
$365 USD
View
A
Retailer 4
-
$391 USD
View
A
Retailer 5
-
$391 USD
View
B+
Retailer 6
-
$545 USD
View
B+
Retailer 7
-
$595 USD
View
B+
Retailer 8
-
$635 USD
View
B+
Retailer 9
-
$654 USD
View
B+
Retailer 10
-
$691 USD
£544 GBP
View
B
Retailer 11
-
$909 USD
HK$7,100 HKD
View
B
Retailer 12
-
$1,146 USD
View
B
Retailer 13
-
$1,180 USD
View
B
Retailer 14
-
$1,256 USD
View
B
Retailer 15
-
$1,302 USD
View
B
Retailer 16
-
$1,561 USD
View
Most Expensive
B
MOH London
LG537213125 · Oct 29
$1,574 USD
£1,239 GBP
View
16 more retailers have this diamond
Prices start from $315 USDSave up to $1,259 USD

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
1.65ct Princess
$315 USD