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Heart|Lab Grown|IGI

1.23ct D VVS2 Heart Lab Grown Diamond

EX • D/VVS2 • IGI LG791636019

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791636019

Diamond specifications and retailer prices

From £151 GBP
$203 USD
As of November 2, 2026
Save £744 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £896 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG791636019 or 791636019. Listed at 18 retailers as of November 1, 2026, with prices from £151 to £896, a £744 spread on the same certified stone. Reve Diamonds lists it at £896. 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
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791636019
Dimensions7.08 × 7.09 × 4.36 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.08 mm7.09 mm1.23 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791636019
Side View
Table 54.0%Crown 36.3°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.5%

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 2
Current: £456 GBP|Low: £151 GBP|High: £909 GBP|Avg: £416 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Reve Diamonds
November 2, 2026
Retailer 2£151 GBP
Retailer 9£169 GBP
Retailer 15£175 GBP
Retailer 4£187 GBP
Retailer 5£187 GBP
Retailer 18£246 GBP
Retailer 12£323 GBP
Retailer 10£324 GBP
Retailer 13£325 GBP
Retailer 11£344 GBP
Retailer 7£387 GBP
Retailer 6£426 GBP
Retailer 1£456 GBP
Retailer 17£589 GBP
Retailer 3£602 GBP
Retailer 16£604 GBP
Retailer 8£642 GBP
Retailer 14£880 GBP
Reve Diamonds£896 GBP

38 data points across 19 retailers

18 retailers£151 GBP to £896 GBP

A
Cheapest Retailer
-
£151 GBP
$203 USD
A
Retailer 2
-
£169 GBP
$227 USD
View
Final sale: no returns
A
Retailer 3
-
£175 GBP
$235 USD
View
A
Retailer 4
-
£187 GBP
$251 USD
View
Retailer 5
-
£187 GBP
$251 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£323 GBP
ZAR 7,006 ZAR
View
A
Retailer 7
-
£324 GBP
$435 USD
View
A
Retailer 8
-
£325 GBP
€415 EUR
View
A
Retailer 9
-
£344 GBP
View
B+
Retailer 10
-
£387 GBP
$519 USD
View
B+
Retailer 11
-
£426 GBP
$571 USD
View
B+
Retailer 12
-
£456 GBP
A$942 AUD
View
B
Retailer 13
-
£589 GBP
$790 USD
View
B+
Retailer 14
-
£602 GBP
$808 USD
View
B
Retailer 15
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£604 GBP
$810 USD
View
B
Retailer 16
-
£642 GBP
$861 USD
View
B
Retailer 17
-
£880 GBP
View
Most Expensive
B
Reve Diamonds
F0B569693 · Nov 1
£896 GBP
$1,202 USD
View
17 more retailers have this diamond
Prices start from £151 GBPSave up to £744 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
1.23ct Heart
£151 GBP