Round|Lab Grown|IGI

1.23ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG843618736

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843618736

Diamond specifications and retailer prices

From $175 USD
As of October 29, 2026
Save $844 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,019 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843618736 or 843618736. Listed at 20 retailers as of October 29, 2026, with prices from $175 to $1,019, a $844 spread on the same certified stone. MOH London lists it at $1,019. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843618736
Dimensions6.89 × 6.92 × 4.23 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
6.89 mm6.92 mm1.23 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843618736
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,019 USD|Low: $175 USD|High: $1,024 USD|Avg: $482 USD|-0.5%
MOH London
Retailer 2
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Retailer 20
October 31, 2026
Retailer 4$175 USD
Retailer 17$203 USD
Retailer 3$217 USD
Retailer 8$217 USD
Retailer 10$243 USD
Retailer 11$292 USD
Retailer 20$364 USD
Retailer 14$368 USD
Retailer 15$372 USD
Retailer 2$384 USD
Retailer 18$452 USD
Retailer 7$466 USD
Retailer 16$528 USD
Retailer 13$540 USD
Retailer 19$615 USD
Retailer 5$697 USD
Retailer 12$721 USD
Retailer 9$731 USD
Retailer 6$751 USD
MOH London$1,019 USD

21 data points across 20 retailers

20 retailers$175 USD to $1,019 USD

A
Cheapest Retailer
-
$175 USD
A
Retailer 2
-
$203 USD
View
A
Retailer 3
-
$217 USD
View
A
Retailer 4
-
$217 USD
View
A
Retailer 5
-
$243 USD
HK$1,900 HKD
View
B+
Retailer 6
-
$292 USD
View
Retailer 7
-
$364 USD
£286 GBP
View
Price last confirmed 14 days ago
A
Retailer 8
-
$368 USD
€350 EUR
View
A
Retailer 9
-
$372 USD
ZAR 6,010 ZAR
View
A
Retailer 10
-
$384 USD
£302 GBP
View
B+
Retailer 11
-
$452 USD
View
B+
Retailer 12
-
$466 USD
View
B+
Retailer 13
-
$528 USD
A$813 AUD
View
B+
Retailer 14
-
$540 USD
View
Retailer 15
-
$615 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$697 USD
View
B
Retailer 17
-
$721 USD
SGD 974 SGD
View
B
Retailer 18
-
$731 USD
View
B
Retailer 19
-
$751 USD
View
Most Expensive
B
MOH London
LG843618736 · Oct 29
$1,019 USD
£802 GBP
View
19 more retailers have this diamond
Prices start from $175 USDSave up to $844 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
1.23ct Round
$175 USD