Round|Lab Grown|IGI

1.00ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG836675920

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836675920

Diamond specifications and retailer prices

From $349 USD
€332 EUR
As of October 27, 2026
Save $331 USD (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $867 USD at MOH London · As of October 21, 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 LG836675920 or 836675920. Listed at 18 retailers as of October 27, 2026, with a 95% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836675920
Dimensions6.49 × 6.42 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.49 mm6.42 mm1.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836675920
Side View
Table 56.0%Crown 33.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.4%

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 27
Current: $867 USD|Low: $143 USD|High: $872 USD|Avg: $402 USD|-0.6%
MOH London
Retailer 2
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Retailer 7
Retailer 8
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Retailer 11
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Retailer 19
October 25, 2026
Retailer 18$149 USD
Retailer 7$173 USD
Retailer 5$185 USD
Retailer 9$185 USD
Retailer 6$282 USD
Retailer 13$306 USD
Retailer 15$314 USD
Retailer 17$320 USD
Retailer 8$339 USD
Retailer 12$349 USD
Retailer 19$400 USD
Retailer 4$428 USD
Retailer 16$454 USD
Retailer 14$472 USD
Retailer 3$593 USD
Retailer 11$640 USD
Retailer 10$649 USD
Retailer 2$680 USD
MOH London$867 USD

23 data points across 19 retailers

18 retailers$349 USD to $680 USD

Retailer 1
-
$149 USD
Price last confirmed 9 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 11 days ago
Retailer 5
-
$282 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$306 USD
£241 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
$314 USD
ZAR 5,073 ZAR
View
Price last confirmed 12 days ago
Retailer 8
-
$320 USD
£252 GBP
View
Price last confirmed 13 days ago
Retailer 9
-
$339 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$349 USD
€332 EUR
View
Retailer 11
-
$400 USD
View
Price last confirmed 26 days ago
Retailer 12
-
$428 USD
View
Price last confirmed 8 days ago
Retailer 13
-
$454 USD
A$699 AUD
View
Price last confirmed 12 days ago
Retailer 14
-
$472 USD
View
Price last confirmed 8 days ago
Retailer 15
-
$593 USD
View
Price last confirmed 12 days ago
Retailer 16
-
$649 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$680 USD
View
Most Expensive
MOH London
LG836675920 · Oct 21
$867 USD
£683 GBP
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from $349 USDSave up to $331 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.

B+
1.00ct Round
$349 USD