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1.05ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG846694853

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846694853

Diamond specifications and retailer prices

From $500 NZD
£221 GBP
As of November 2, 2026
Save $1,970 NZD (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,469 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846694853 or 846694853. Listed at 7 retailers as of November 2, 2026, with prices from $500 to $2,469, a $1,970 spread on the same certified stone. MOH London lists it at $2,469. 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

1.05
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846694853
Dimensions6.43 × 6.48 × 4.05 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.43 mm6.48 mm1.05 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846694853
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 2
Current: $2,469 NZD|Low: $474 NZD|High: $2,483 NZD|Avg: $884 NZD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$500 NZD
Retailer 5$524 NZD
Retailer 7$556 NZD
Retailer 6$563 NZD
Retailer 3$659 NZD
Retailer 2$746 NZD
MOH London$2,469 NZD

9 data points across 7 retailers

7 retailers$500 NZD to $2,469 NZD

A
Cheapest Retailer
-
$500 NZD
£221 GBP
A
Retailer 2
-
$524 NZD
€281 EUR
View
B+
Retailer 3
-
$556 NZD
$313 USD
View
A
Retailer 4
-
$563 NZD
$317 USD
View
B+
Retailer 5
-
$659 NZD
£292 GBP
View
B+
Retailer 6
-
$746 NZD
$420 USD
View
Most Expensive
B
MOH London
LG846694853 · Nov 2
$2,469 NZD
£1,094 GBP
View
6 more retailers have this diamond
Prices start from $500 NZDSave up to $1,970 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
1.05ct Round
$500 NZD