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Round|Lab Grown|IGI

1.00ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG853628487

Shape and cutting style on the report: Round brilliant

Certificate IGI LG853628487

Diamond specifications and retailer prices

From $394 NZD
$222 USD
As of November 1, 2026
Save $2,035 NZD (84%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,429 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct 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 LG853628487 or 853628487. Listed at 4 retailers as of November 1, 2026, with prices from $394 to $2,429, a $2,035 spread on the same certified stone. MOH London lists it at $2,429. 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

1.00
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG853628487
Dimensions6.47 × 6.42 × 3.94 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
6.47 mm6.42 mm1.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG853628487
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,429 NZD|Low: $394 NZD|High: $2,429 NZD|Avg: $1,024 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4$394 NZD
Retailer 2$489 NZD
Retailer 3$518 NZD
MOH London$2,429 NZD

2 data points across 4 retailers

4 retailers$394 NZD to $2,429 NZD

B+
Cheapest Retailer
-
$394 NZD
$222 USD
A
Retailer 2
-
$489 NZD
£217 GBP
View
A
Retailer 3
-
$518 NZD
$292 USD
View
Most Expensive
B
MOH London
LG853628487 · Nov 1
$2,429 NZD
£1,078 GBP
View
3 more retailers have this diamond
Prices start from $394 NZDSave up to $2,035 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
1.00ct Round
$394 NZD