Oval|Lab Grown|IGI

1.28ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG841648440

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG841648440

Diamond specifications and retailer prices

From $212 USD
As of November 1, 2026
Save $685 USD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,054 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval 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 LG841648440 or 841648440. Listed at 19 retailers as of October 31, 2026, with a 323% 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

1.28
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841648440
Dimensions8.97 × 6.11 × 3.69 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.97 mm6.11 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841648440
Side View
Table 61.0%Crown 31.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.4%

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: Nov 1
Current: $1,054 USD|Low: $212 USD|High: $1,064 USD|Avg: $584 USD|-1.0%
MOH London
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
Retailer 19
November 2, 2026
Retailer 5$212 USD
Retailer 18$246 USD
Retailer 3$263 USD
Retailer 16$263 USD
Retailer 17$316 USD
Retailer 15$441 USD
Retailer 9$451 USD
Retailer 14$453 USD
Retailer 13$486 USD
Retailer 6$487 USD
Retailer 7$583 USD
Retailer 2$642 USD
Retailer 11$715 USD
Retailer 19$844 USD
Retailer 12$847 USD
Retailer 4$855 USD
Retailer 10$897 USD
Retailer 8$897 USD
MOH London$1,054 USD

29 data points across 19 retailers

19 retailers$212 USD to $897 USD

A
Cheapest Retailer
-
$212 USD
A
Retailer 2
-
$246 USD
View
Retailer 3
-
$263 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$263 USD
View
A
Retailer 5
-
$441 USD
€420 EUR
View
A
Retailer 6
-
$451 USD
View
A
Retailer 7
-
$453 USD
ZAR 7,326 ZAR
View
A
Retailer 8
-
$486 USD
£382 GBP
View
A
Retailer 9
-
$487 USD
View
B+
Retailer 10
-
$583 USD
View
Retailer 11
-
$640 USD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$642 USD
A$988 AUD
View
B+
Retailer 13
-
$715 USD
A$1,100 AUD
View
B
Retailer 14
-
$844 USD
View
B
Retailer 15
-
$847 USD
View
B
Retailer 16
-
$855 USD
SGD 1,155 SGD
View
B
Retailer 17
-
$897 USD
View
B
Retailer 18
-
$897 USD
View
Most Expensive
MOH London
LG841648440 · Oct 26
$1,054 USD
£830 GBP
View
Price last confirmed 7 days ago
18 more retailers have this diamond
Prices start from $212 USDSave up to $685 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
1.28ct Oval
$212 USD