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Princess|Lab Grown|IGI

1.27ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG660405397

Shape and cutting style on the report: Princess cut

Certificate IGI LG660405397

Diamond specifications and retailer prices

From $313 NZD
As of November 6, 2026
Save $1,499 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,812 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.27ct lab-grown princess diamond

This 1.27ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660405397 or 660405397. Listed at 13 retailers as of November 5, 2026, with prices from $313 to $1,812, a $1,499 spread on the same certified stone. MOH London lists it at $1,812. 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

1.27
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660405397
Dimensions5.82 × 5.79 × 4.23 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.82 mm5.79 mm1.27 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660405397
Side View
Table 69.0%Crown 43.9°Girdle: STK-THKPavilion 39°Culet: NoneDepth 73.1%

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: Nov 6
Current: $1,812 NZD|Low: $313 NZD|High: $2,241 NZD|Avg: $927 NZD|-0.2%
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
November 6, 2026
Retailer 11$313 NZD
Retailer 4$363 NZD
Retailer 12$388 NZD
Retailer 16$432 NZD
Retailer 9$500 NZD
Retailer 5$626 NZD
Retailer 2$688 NZD
Retailer 3$690 NZD
Retailer 14$768 NZD
Retailer 13$834 NZD
Retailer 15$1,249 NZD
Retailer 7$1,302 NZD
Retailer 10$1,318 NZD
Retailer 6$1,489 NZD
MOH London$1,812 NZD
Retailer 8$2,241 NZD

11 data points across 16 retailers

13 retailers$313 NZD to $1,812 NZD

A
Cheapest Retailer
-
$313 NZD
A
Retailer 2
-
$363 NZD
View
A
Retailer 3
-
$388 NZD
View
A
Retailer 4
-
$432 NZD
View
A
Retailer 5
-
$500 NZD
View
A
Retailer 6
-
$688 NZD
View
B+
Retailer 7
-
$690 NZD
View
B+
Retailer 8
-
$768 NZD
View
B+
Retailer 9
-
$834 NZD
View
Retailer 10
-
$1,245 NZD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$1,249 NZD
View
B
Retailer 12
-
$1,318 NZD
View
Most Expensive
B
MOH London
LG660405397 · Nov 5
$1,812 NZD
£802 GBP
View
12 more retailers have this diamond
Prices start from $313 NZDSave up to $1,499 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
1.27ct Princess
$313 NZD