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Round|Lab Grown|IGI

1.23ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG778645793

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645793

Diamond specifications and retailer prices

From $214 USD
As of November 3, 2026
Save $1,023 USD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,235 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778645793 or 778645793. Listed at 24 retailers as of November 3, 2026, with a 478% 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

1.23
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645793
Dimensions6.87 × 6.91 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.87 mm6.91 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645793
Side View
Table 56.0%Crown 34.2°Girdle: MediumPavilion 40.2°Culet: NoneDepth 61.0%

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: Nov 3
Current: $484 USD|Low: $205 USD|High: $1,074 USD|Avg: $513 USD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 2$214 USD
Retailer 11$238 USD
Retailer 4$265 USD
Retailer 3$358 USD
Retailer 5$419 USD
Retailer 10$457 USD
Retailer 7$481 USD
Retailer 1$484 USD
Retailer 9$648 USD
Retailer 12$815 USD
Retailer 6$855 USD
Retailer 8$1,061 USD

40 data points across 12 retailers

24 retailers$214 USD to $1,237 USD

A
Cheapest Retailer
-
$214 USD
A
Retailer 2
-
$238 USD
View
Final sale: no returns
A
Retailer 3
-
$248 USD
View
Retailer 4
-
$265 USD
View
Price last confirmed 11 days ago
A
Retailer 5
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$265 USD
View
A
Retailer 6
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$294 USD
View
B+
Retailer 7
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$358 USD
View
A
Retailer 8
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$419 USD
View
A
Retailer 9
-
$457 USD
View
B+
Retailer 10
-
$481 USD
View
B+
Retailer 11
-
$484 USD
View
B+
Retailer 12
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$491 USD
View
B+
Retailer 13
-
$508 USD
View
B+
Retailer 14
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$648 USD
View
B+
Retailer 15
-
$699 USD
View
Retailer 16
-
$815 USD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$852 USD
View
B
Retailer 18
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$855 USD
View
B
Retailer 19
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$860 USD
View
B
Retailer 20
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$904 USD
View
B
Retailer 21
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$908 USD
View
B+
Retailer 22
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$1,061 USD
View
B
Retailer 23
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$1,237 USD
View
Most Expensive
Queensmith
LG778645793 · Oct 27
$2,235 USD
£1,760 GBP
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from $214 USDSave up to $1,023 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
$214 USD