Round|Lab Grown|IGI

1.00ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG841605505

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841605505

Diamond specifications and retailer prices

From $303 USD
£238 GBP
As of October 24, 2026
Save $307 USD (50%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $867 USD at MOH London · As of October 19, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841605505 or 841605505. Listed at 18 retailers as of October 24, 2026, with a 102% 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

1.00
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841605505
Dimensions6.52 × 6.55 × 3.86 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.52 mm6.55 mm1.00 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841605505
Side View
Table 62.0%Crown 32.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.0%

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 24
Current: $867 USD|Low: $149 USD|High: $872 USD|Avg: $410 USD|-0.6%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 27, 2026
Retailer 7$149 USD
Retailer 4$173 USD
Retailer 9$185 USD
Retailer 16$185 USD
Retailer 3$282 USD
Retailer 12$303 USD
Retailer 14$312 USD
Retailer 15$320 USD
Retailer 8$339 USD
Retailer 2$349 USD
Retailer 5$428 USD
Retailer 13$452 USD
Retailer 18$593 USD
Retailer 11$610 USD
Retailer 17$627 USD
Retailer 10$640 USD
Retailer 6$649 USD
MOH London$867 USD

15 data points across 18 retailers

18 retailers$303 USD to $610 USD

Retailer 1
-
$149 USD
Price last confirmed 8 days ago
Retailer 2
-
$173 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$185 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$185 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$282 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$303 USD
£238 GBP
View
Retailer 7
-
$312 USD
ZAR 5,039 ZAR
View
Price last confirmed 7 days ago
Retailer 8
-
$320 USD
£252 GBP
View
Price last confirmed 13 days ago
Retailer 9
-
$339 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$349 USD
€332 EUR
View
B+
Retailer 11
-
$428 USD
View
Retailer 12
-
$452 USD
A$695 AUD
View
Price last confirmed 7 days ago
Retailer 13
-
$593 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$610 USD
View
Retailer 15
-
$627 USD
View
Price last confirmed 7 days ago
Retailer 16
-
$640 USD
View
Price last confirmed 7 days ago
Retailer 17
-
$649 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG841605505 · Oct 19
$867 USD
£683 GBP
View
Price last confirmed 11 days ago
17 more retailers have this diamond
Prices start from $303 USDSave up to $307 USD

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
$303 USD