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Round|Lab Grown|IGI

1.27ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG656402458

Shape and cutting style on the report: Round brilliant

Certificate IGI LG656402458

Diamond specifications and retailer prices

From $267 NZD
As of November 5, 2026
Save $1,278 NZD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,545 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round 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 LG656402458 or 656402458. Listed at 20 retailers as of November 4, 2026, with prices from $267 to $1,545, a $1,278 spread on the same certified stone. MOH London lists it at $1,545. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656402458
Dimensions7.08 × 7.01 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.08 mm7.01 mm1.27 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656402458
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.0%

Caratlytics Score

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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: Nov 5
Current: $1,545 NZD|Low: $267 NZD|High: $1,568 NZD|Avg: $776 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$267 NZD
Retailer 12$331 NZD
Retailer 2$564 NZD
Retailer 3$608 NZD
Retailer 7$635 NZD
Retailer 5$640 NZD
Retailer 4$706 NZD
Retailer 8$818 NZD
Retailer 6$827 NZD
Retailer 11$1,050 NZD
Retailer 9$1,124 NZD
MOH London$1,545 NZD

42 data points across 12 retailers

20 retailers$267 NZD to $1,545 NZD

Retailer 1
-
$267 NZD
Price last confirmed 45 days ago
A
Retailer 2
-
$267 NZD
View
Retailer 3
-
$310 NZD
View
Price last confirmed 45 days ago
Retailer 4
-
$327 NZD
View
Price last confirmed 45 days ago
Retailer 5
-
$331 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$331 NZD
View
A
Retailer 7
-
$564 NZD
View
B+
Retailer 8
-
$608 NZD
View
Retailer 9
-
$635 NZD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$640 NZD
View
A
Retailer 11
-
$706 NZD
View
B+
Retailer 12
-
$783 NZD
View
B+
Retailer 13
-
$818 NZD
View
B+
Retailer 14
-
$827 NZD
View
Retailer 15
-
$845 NZD
View
Price last confirmed 47 days ago
B
Retailer 16
-
$1,050 NZD
View
B
Retailer 17
-
$1,066 NZD
View
Retailer 18
-
$1,066 NZD
View
Price last confirmed 46 days ago
B+
Retailer 19
-
$1,124 NZD
View
Most Expensive
B
MOH London
LG656402458 · Nov 4
$1,545 NZD
£684 GBP
View
19 more retailers have this diamond
Prices start from $267 NZDSave up to $1,278 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 Round
$267 NZD