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1.16ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG436074892

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436074892

Diamond specifications and retailer prices

From $1,473 NZD
$830 USD
As of October 31, 2026
Save $7,050 NZD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,522 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.16ct lab-grown round diamond

This 1.16ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074892 or 436074892. Listed at 12 retailers as of October 31, 2026, with prices from $1,473 to $8,522, a $7,050 spread on the same certified stone. MOH London lists it at $8,522. 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

1.16
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074892
Dimensions6.79 × 6.82 × 4.08 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.79 mm6.82 mm1.16 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074892
Side View
Table 59.5%Crown 31.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

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 31
Current: $8,522 NZD|Low: $1,473 NZD|High: $8,637 NZD|Avg: $3,754 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$1,473 NZD
Retailer 4$2,287 NZD
Retailer 9$2,560 NZD
Retailer 6$2,653 NZD
Retailer 8$2,653 NZD
Retailer 10$2,954 NZD
Retailer 11$3,636 NZD
Retailer 7$4,198 NZD
Retailer 2$4,525 NZD
Retailer 3$4,945 NZD
MOH London$8,522 NZD

22 data points across 11 retailers

12 retailers$1,473 NZD to $8,522 NZD

A
Cheapest Retailer
-
$1,473 NZD
$830 USD
B+
Retailer 2
-
$2,287 NZD
$1,289 USD
View
B+
Retailer 3
-
$2,488 NZD
$1,402 USD
View
B+
Retailer 4
-
$2,560 NZD
$1,443 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,653 NZD
$1,495 USD
View
Retailer 6
-
$2,653 NZD
$1,495 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$2,954 NZD
$1,665 USD
View
B
Retailer 8
-
$4,198 NZD
$2,366 USD
View
B
Retailer 9
-
$4,525 NZD
€2,429 EUR
View
B
Retailer 10
-
$4,945 NZD
$2,787 USD
View
B
Retailer 11
-
$4,972 NZD
$2,802 USD
View
Most Expensive
B
MOH London
LG436074892 · Nov 1
$8,522 NZD
£3,782 GBP
View
11 more retailers have this diamond
Prices start from $1,473 NZDSave up to $7,050 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
1.16ct Round
$1,473 NZD