Radiant|Lab Grown|IGI

1.29ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG843657100

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG843657100

Diamond specifications and retailer prices

From $187 USD
As of November 4, 2026
Save $893 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,080 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843657100 or 843657100. Listed at 18 retailers as of November 4, 2026, with prices from $187 to $1,080, a $893 spread on the same certified stone. MOH London lists it at $1,080. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843657100
Dimensions7.79 × 5.32 × 3.65 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.79 mm5.32 mm1.29 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843657100
Side View
Table 65.0%Crown 44.3°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
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: Nov 4
Current: $1,080 USD|Low: $187 USD|High: $1,128 USD|Avg: $541 USD|-4.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 12$187 USD
Retailer 18$217 USD
Retailer 7$241 USD
Retailer 10$241 USD
Retailer 2$276 USD
Retailer 16$406 USD
Retailer 4$415 USD
Retailer 5$428 USD
Retailer 17$435 USD
Retailer 9$488 USD
Retailer 11$520 USD
Retailer 8$564 USD
Retailer 3$587 USD
Retailer 13$744 USD
Retailer 15$747 USD
Retailer 14$798 USD
Retailer 6$960 USD
MOH London$1,080 USD

16 data points across 18 retailers

18 retailers$187 USD to $1,080 USD

A
Cheapest Retailer
-
$187 USD
A
Retailer 2
-
$217 USD
View
Retailer 3
-
$241 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$241 USD
View
A
Retailer 5
-
$276 USD
View
A
Retailer 6
-
$406 USD
View
A
Retailer 7
-
$415 USD
View
A
Retailer 8
-
$428 USD
View
A
Retailer 9
-
$435 USD
View
B+
Retailer 10
-
$488 USD
View
B+
Retailer 11
-
$520 USD
View
B+
Retailer 12
-
$564 USD
View
B+
Retailer 13
-
$587 USD
View
B+
Retailer 14
-
$744 USD
View
B+
Retailer 15
-
$747 USD
View
B
Retailer 16
-
$798 USD
View
B
Retailer 17
-
$960 USD
View
Most Expensive
B
MOH London
LG843657100 · Nov 5
$1,080 USD
£850 GBP
View
17 more retailers have this diamond
Prices start from $187 USDSave up to $893 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
1.29ct Radiant
$187 USD