Round|Lab Grown|IGI

1.05ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG825630578

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825630578

Diamond specifications and retailer prices

From $661 NZD
$372 USD
As of November 1, 2026
Save $1,014 NZD (61%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,982 NZD at MOH London · As of October 18, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825630578 or 825630578. Listed at 14 retailers as of October 27, 2026, with a 153% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630578
Dimensions6.50 × 6.45 × 3.99 mm
L/W Ratio1.01
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.50 mm6.45 mm1.05 ctI / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825630578
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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 1
Current: $1,982 NZD|Low: $265 NZD|High: $1,993 NZD|Avg: $820 NZD|+29.3%
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
November 2, 2026
Retailer 4$275 NZD
Retailer 5$320 NZD
Retailer 12$443 NZD
Retailer 10$661 NZD
Retailer 6$702 NZD
Retailer 3$725 NZD
Retailer 2$808 NZD
Retailer 7$853 NZD
Retailer 9$940 NZD
Retailer 13$1,112 NZD
Retailer 8$1,209 NZD
Retailer 11$1,675 NZD
MOH London$1,982 NZD

41 data points across 13 retailers

14 retailers$661 NZD to $1,675 NZD

Retailer 1
-
$275 NZD
$155 USD
Price last confirmed 23 days ago
Retailer 2
-
$320 NZD
$180 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$341 NZD
$192 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$661 NZD
$372 USD
View
B+
Retailer 5
-
$702 NZD
$395 USD
View
Retailer 6
-
$725 NZD
ZAR 6,586 ZAR
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$808 NZD
€433 EUR
View
B+
Retailer 8
-
$853 NZD
$480 USD
View
B+
Retailer 9
-
$940 NZD
$529 USD
View
Retailer 10
-
$1,098 NZD
$618 USD
View
Price last confirmed 33 days ago
B
Retailer 11
-
$1,112 NZD
£493 GBP
View
B
Retailer 12
-
$1,209 NZD
$680 USD
View
B
Retailer 13
-
$1,675 NZD
$942 USD
View
Most Expensive
MOH London
LG825630578 · Oct 18
$1,982 NZD
£878 GBP
View
Price last confirmed 15 days ago
13 more retailers have this diamond
Prices start from $661 NZDSave up to $1,014 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
$661 NZD