Round|Lab Grown|IGI

1.05ct H SI1 Round Lab Grown Diamond

GD • H/SI1 • IGI LG818650076

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818650076

Diamond specifications and retailer prices

From $231 NZD
$130 USD
As of October 26, 2026
Save $2,151 NZD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,382 NZD at MOH London · As of October 26, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG818650076 or 818650076. Listed at 15 retailers as of October 26, 2026, with prices from $231 to $2,382, a $2,151 spread on the same certified stone. MOH London lists it at $2,382. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
H
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818650076
Dimensions6.68 × 6.60 × 2.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
6.68 mm6.60 mm1.05 ctH / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG818650076
Side View
Table 69.0%Crown 35°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 56.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $2,382 NZD|Low: $241 NZD|High: $2,382 NZD|Avg: $841 NZD|+57.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 6$255 NZD
Retailer 9$275 NZD
Retailer 11$319 NZD
Retailer 10$341 NZD
Retailer 8$387 NZD
Retailer 7$505 NZD
Retailer 5$527 NZD
Retailer 4$967 NZD
Retailer 3$1,384 NZD
Retailer 2$1,719 NZD
MOH London$2,382 NZD

22 data points across 11 retailers

15 retailers$231 NZD to $2,382 NZD

Retailer 1
-
$216 NZD
$122 USD
Price last confirmed 16 days ago
B+
Retailer 2
-
$231 NZD
$130 USD
View
Retailer 3
-
$275 NZD
$155 USD
View
Price last confirmed 21 days ago
Retailer 4
-
$286 NZD
$161 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$319 NZD
$180 USD
View
Price last confirmed 22 days ago
Retailer 6
-
$341 NZD
$192 USD
View
Price last confirmed 29 days ago
B
Retailer 7
-
$387 NZD
$218 USD
View
B+
Retailer 8
-
$505 NZD
€271 EUR
View
B+
Retailer 9
-
$527 NZD
$297 USD
View
Retailer 10
-
$665 NZD
$375 USD
View
Price last confirmed 10 days ago
Retailer 11
-
$862 NZD
$486 USD
View
Price last confirmed 17 days ago
B+
Retailer 12
-
$967 NZD
$545 USD
View
Retailer 13
-
$1,095 NZD
$617 USD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$1,719 NZD
$969 USD
View
Most Expensive
B
MOH London
LG818650076 · Oct 26
$2,382 NZD
£1,057 GBP
View
14 more retailers have this diamond
Prices start from $231 NZDSave up to $2,151 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.

B+
1.05ct Round
$231 NZD