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1.27ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG769654085

Shape and cutting style on the report: Round brilliant

Certificate IGI LG769654085

Diamond specifications and retailer prices

From $359 NZD
As of November 5, 2026
Save $1,777 NZD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,136 NZD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 LG769654085 or 769654085. Listed at 22 retailers as of November 4, 2026, with prices from $359 to $2,136, a $1,777 spread on the same certified stone. Reve Diamonds lists it at $2,136. 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 angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769654085
Dimensions6.99 × 6.95 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.99 mm6.95 mm1.27 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769654085
Side View
Table 59.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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 5
Current: $809 NZD|Low: $358 NZD|High: $2,136 NZD|Avg: $960 NZD|+4.1%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 7$359 NZD
Retailer 15$400 NZD
Retailer 16$418 NZD
Retailer 3$447 NZD
Retailer 4$447 NZD
Retailer 5$774 NZD
Retailer 1$809 NZD
Retailer 12$849 NZD
Retailer 9$863 NZD
Retailer 2$886 NZD
Retailer 14$934 NZD
Retailer 10$1,103 NZD
Retailer 8$1,434 NZD
Retailer 11$1,439 NZD
Retailer 6$1,528 NZD
Retailer 13$2,085 NZD
Reve Diamonds$2,136 NZD

33 data points across 17 retailers

22 retailers$359 NZD to $2,136 NZD

A
Cheapest Retailer
-
$359 NZD
A
Retailer 2
-
$400 NZD
View
Final sale: no returns
A
Retailer 3
-
$418 NZD
View
A
Retailer 4
-
$447 NZD
View
Retailer 5
-
$447 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$738 NZD
View
B+
Retailer 7
-
$774 NZD
View
B+
Retailer 8
-
$809 NZD
View
B+
Retailer 9
-
$849 NZD
View
B+
Retailer 10
-
$863 NZD
View
Retailer 11
-
$870 NZD
View
Price last confirmed 95 days ago
B+
Retailer 12
-
$886 NZD
View
B+
Retailer 13
-
$934 NZD
View
B+
Retailer 14
-
$1,103 NZD
View
B+
Retailer 15
-
$1,103 NZD
View
B
Retailer 16
-
$1,224 NZD
View
Retailer 17
-
$1,423 NZD
View
Price last confirmed 46 days ago
B
Retailer 18
-
$1,434 NZD
View
B
Retailer 19
-
$1,439 NZD
View
B
Retailer 20
-
$1,528 NZD
View
B
Retailer 21
-
$2,085 NZD
View
Most Expensive
B
Reve Diamonds
219DAB444 · Nov 4
$2,136 NZD
$1,201 USD
View
21 more retailers have this diamond
Prices start from $359 NZDSave up to $1,777 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
$359 NZD