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Heart|Lab Grown|IGI

0.99ct D VS1 Heart Lab Grown Diamond

VG • D/VS1 • IGI LG837624406

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837624406

Diamond specifications and retailer prices

From £143 GBP
$192 USD
As of October 25, 2026
Save £641 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £784 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 0.99ct lab-grown heart diamond

This 0.99ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG837624406 or 837624406. Listed at 20 retailers as of October 25, 2026, with prices from £143 to £784, a £641 spread on the same certified stone. Reve Diamonds lists it at £784. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.99
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle44.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837624406
Dimensions6.45 × 6.63 × 4.17 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.45 mm6.63 mm0.99 ctD / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG837624406
Side View
Table 63.0%Crown 34.1°Girdle: MED-THKPavilion 44.3°Culet: NoneDepth 62.9%

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 25
Current: £241 GBP|Low: £111 GBP|High: £784 GBP|Avg: £350 GBP|-0.3%
Retailer 1
Retailer 2
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Retailer 18
Retailer 19
Retailer 20
Reve Diamonds
October 31, 2026
Retailer 7£116 GBP
Retailer 10£130 GBP
Retailer 5£134 GBP
Retailer 8£143 GBP
Retailer 4£162 GBP
Retailer 18£185 GBP
Retailer 1£241 GBP
Retailer 19£250 GBP
Retailer 3£255 GBP
Retailer 9£262 GBP
Retailer 14£263 GBP
Retailer 20£308 GBP
Retailer 11£325 GBP
Retailer 12£365 GBP
Retailer 17£390 GBP
Retailer 15£455 GBP
Retailer 16£458 GBP
Retailer 6£461 GBP
Retailer 13£503 GBP
Retailer 2£672 GBP
Reve Diamonds£784 GBP

30 data points across 21 retailers

20 retailers£143 GBP to £784 GBP

Retailer 1
-
£116 GBP
$155 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£134 GBP
$180 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
£143 GBP
$192 USD
View
A
Retailer 4
-
£162 GBP
HK$1,700 HKD
View
A
Retailer 5
-
£185 GBP
View
A
Retailer 6
-
£241 GBP
€308 EUR
View
A
Retailer 7
-
£250 GBP
View
Retailer 8
-
£255 GBP
ZAR 5,528 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£262 GBP
$351 USD
View
B+
Retailer 10
-
£263 GBP
$353 USD
View
B+
Retailer 11
-
£308 GBP
View
B+
Retailer 12
-
£325 GBP
$435 USD
View
B+
Retailer 13
-
£365 GBP
$489 USD
View
B+
Retailer 14
-
£390 GBP
SGD 707 SGD
View
B
Retailer 15
-
£455 GBP
$610 USD
View
B
Retailer 16
-
£458 GBP
$614 USD
View
B
Retailer 17
-
£461 GBP
$618 USD
View
B
Retailer 18
-
£503 GBP
$673 USD
View
B
Retailer 19
-
£672 GBP
View
Most Expensive
B
Reve Diamonds
C173B782C · Oct 25
£784 GBP
$1,050 USD
View
19 more retailers have this diamond
Prices start from £143 GBPSave up to £641 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
0.99ct Heart
£143 GBP