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1.27ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG761566690

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761566690

Diamond specifications and retailer prices

From $308 NZD
As of November 1, 2026
Save $1,473 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,780 NZD at MOH London · As of November 1, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG761566690 or 761566690. Listed at 16 retailers as of November 1, 2026, with prices from $308 to $1,780, a $1,473 spread on the same certified stone. MOH London lists it at $1,780. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761566690
Dimensions6.94 × 6.89 × 4.32 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
6.94 mm6.89 mm1.27 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761566690
Side View
Table 56.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.4%

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 1
Current: $1,780 NZD|Low: $295 NZD|High: $1,834 NZD|Avg: $743 NZD|-3.0%
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 13$308 NZD
Retailer 14$343 NZD
Retailer 4$356 NZD
Retailer 7$381 NZD
Retailer 15$381 NZD
Retailer 2$655 NZD
Retailer 12$678 NZD
Retailer 5$680 NZD
Retailer 6$729 NZD
Retailer 11$752 NZD
Retailer 16$827 NZD
Retailer 9$863 NZD
Retailer 10$998 NZD
Retailer 8$1,067 NZD
Retailer 3$1,224 NZD
MOH London$1,780 NZD

37 data points across 16 retailers

16 retailers$308 NZD to $1,780 NZD

A
Cheapest Retailer
-
$308 NZD
A
Retailer 2
-
$343 NZD
View
Final sale: no returns
A
Retailer 3
-
$356 NZD
View
A
Retailer 4
-
$381 NZD
View
Retailer 5
-
$381 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$655 NZD
View
A
Retailer 7
-
$678 NZD
View
A
Retailer 8
-
$680 NZD
View
A
Retailer 9
-
$729 NZD
View
A
Retailer 10
-
$752 NZD
View
B+
Retailer 11
-
$827 NZD
View
B+
Retailer 12
-
$863 NZD
View
B
Retailer 13
-
$998 NZD
View
B
Retailer 14
-
$1,067 NZD
View
B+
Retailer 15
-
$1,224 NZD
View
Most Expensive
B
MOH London
LG761566690 · Nov 1
$1,780 NZD
£788 GBP
View
15 more retailers have this diamond
Prices start from $308 NZDSave up to $1,473 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
$308 NZD