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Round|Lab Grown|IGI

1.29ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG850695873

Shape and cutting style on the report: Round brilliant

Certificate IGI LG850695873

Diamond specifications and retailer prices

From $178 USD
As of October 29, 2026
Save $860 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,038 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round 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 LG850695873 or 850695873. Listed at 14 retailers as of October 29, 2026, with prices from $178 to $1,038, a $860 spread on the same certified stone. MOH London lists it at $1,038. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850695873
Dimensions6.95 × 6.98 × 4.26 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
6.95 mm6.98 mm1.29 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850695873
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.1%

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 29
Current: $1,038 USD|Low: $178 USD|High: $1,038 USD|Avg: $515 USD
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
October 30, 2026
Retailer 8$178 USD
Retailer 13$256 USD
Retailer 4$298 USD
Retailer 10$373 USD
Retailer 11$383 USD
Retailer 6$396 USD
Retailer 7$435 USD
Retailer 12$472 USD
Retailer 5$733 USD
Retailer 9$748 USD
Retailer 2$749 USD
Retailer 3$764 USD
MOH London$1,038 USD

3 data points across 13 retailers

14 retailers$178 USD to $1,038 USD

A
Cheapest Retailer
-
$178 USD
A
Retailer 2
-
$256 USD
HK$2,000 HKD
View
B+
Retailer 3
-
$298 USD
View
A
Retailer 4
-
$373 USD
€355 EUR
View
A
Retailer 5
-
$383 USD
£302 GBP
View
A
Retailer 6
-
$396 USD
£312 GBP
View
A
Retailer 7
-
$435 USD
View
B+
Retailer 8
-
$472 USD
View
B+
Retailer 9
-
$505 USD
View
B
Retailer 10
-
$733 USD
SGD 990 SGD
View
B
Retailer 11
-
$748 USD
View
B
Retailer 12
-
$749 USD
View
B
Retailer 13
-
$764 USD
View
Most Expensive
B
MOH London
LG850695873 · Oct 29
$1,038 USD
£817 GBP
View
13 more retailers have this diamond
Prices start from $178 USDSave up to $860 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 Round
$178 USD