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Heart|Lab Grown|IGI

0.91ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG792663360

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG792663360

Diamond specifications and retailer prices

From £143 GBP
HK$1,500 HKD
As of October 30, 2026
Save £455 GBP (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £743 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 0.91ct lab-grown heart diamond

This 0.91ct lab-grown heart sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG792663360 or 792663360. Listed at 19 retailers as of October 26, 2026, with a 317% 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

0.91
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792663360
Dimensions6.66 × 5.87 × 3.90 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.66 mm5.87 mm0.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792663360
Side View
Table 61.0%Crown 38.8°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 58.6%

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: Oct 30
Current: £235 GBP|Low: £100 GBP|High: £746 GBP|Avg: £303 GBP|+2.9%
Retailer 1
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
Retailer 19
Reve Diamonds
October 30, 2026
Retailer 5£103 GBP
Retailer 6£115 GBP
Retailer 2£119 GBP
Retailer 7£128 GBP
Retailer 19£143 GBP
Retailer 14£165 GBP
Retailer 15£216 GBP
Retailer 18£227 GBP
Retailer 1£235 GBP
Retailer 8£238 GBP
Retailer 16£297 GBP
Retailer 9£308 GBP
Retailer 4£321 GBP
Retailer 13£351 GBP
Retailer 12£396 GBP
Retailer 3£410 GBP
Retailer 11£433 GBP
Retailer 10£452 GBP
Retailer 17£598 GBP
Reve Diamonds£743 GBP

38 data points across 20 retailers

19 retailers£143 GBP to £598 GBP

Retailer 1
-
£103 GBP
$138 USD
Price last confirmed 9 days ago
Retailer 2
-
£119 GBP
$160 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£128 GBP
$171 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£143 GBP
HK$1,500 HKD
View
A
Retailer 5
-
£165 GBP
View
A
Retailer 6
-
£216 GBP
View
Retailer 7
-
£227 GBP
ZAR 4,917 ZAR
View
Price last confirmed 10 days ago
B+
Retailer 8
-
£235 GBP
$315 USD
View
Retailer 9
-
£238 GBP
$319 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£297 GBP
View
B+
Retailer 11
-
£308 GBP
$413 USD
View
B+
Retailer 12
-
£321 GBP
$430 USD
View
B+
Retailer 13
-
£351 GBP
SGD 635 SGD
View
B
Retailer 14
-
£396 GBP
$531 USD
View
Retailer 15
-
£410 GBP
$550 USD
View
Price last confirmed 7 days ago
B
Retailer 16
-
£433 GBP
$580 USD
View
B
Retailer 17
-
£452 GBP
$606 USD
View
B
Retailer 18
-
£598 GBP
View
Most Expensive
Reve Diamonds
2DB0BAD1A · Oct 25
£743 GBP
$996 USD
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from £143 GBPSave up to £455 GBP

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
0.91ct Heart
£143 GBP