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Heart|Lab Grown|IGI

1.59ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG789633237

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG789633237

Diamond specifications and retailer prices

From £197 GBP
$264 USD
As of October 24, 2026
Save £878 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,075 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.59ct lab-grown heart diamond

This 1.59ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG789633237 or 789633237. Listed at 20 retailers as of October 24, 2026, with prices from £197 to £1,075, a £878 spread on the same certified stone. Brilliant Earth lists it at £1,075. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789633237
Dimensions7.25 × 7.70 × 4.68 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.25 mm7.70 mm1.59 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG789633237
Side View
Table 64.0%Crown 40.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.8%

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: Oct 24
Current: £1,075 GBP|Low: £161 GBP|High: £1,687 GBP|Avg: £540 GBP|-36.3%
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 6£169 GBP
Retailer 14£189 GBP
Retailer 4£197 GBP
Retailer 7£210 GBP
Retailer 13£229 GBP
Retailer 19£235 GBP
Retailer 2£335 GBP
Retailer 3£356 GBP
Retailer 8£357 GBP
Retailer 20£390 GBP
Retailer 11£402 GBP
Retailer 18£434 GBP
Retailer 16£543 GBP
Retailer 15£673 GBP
Retailer 5£676 GBP
Retailer 12£715 GBP
Retailer 17£843 GBP
Retailer 21£844 GBP
Retailer 10£855 GBP
Retailer 9£956 GBP
Brilliant Earth£1,075 GBP

28 data points across 21 retailers

20 retailers£197 GBP to £1,075 GBP

Retailer 1
-
£169 GBP
$227 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£197 GBP
$264 USD
View
A
Retailer 3
-
£210 GBP
$282 USD
View
A
Retailer 4
-
£229 GBP
HK$2,400 HKD
View
A
Retailer 5
-
£235 GBP
View
A
Retailer 6
-
£335 GBP
€428 EUR
View
Retailer 7
-
£356 GBP
ZAR 7,698 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£357 GBP
$479 USD
View
A
Retailer 9
-
£390 GBP
View
A
Retailer 10
-
£402 GBP
$538 USD
View
B+
Retailer 11
-
£434 GBP
$581 USD
View
B
Retailer 12
-
£543 GBP
$728 USD
View
B+
Retailer 13
-
£673 GBP
SGD 1,218 SGD
View
B+
Retailer 14
-
£676 GBP
$906 USD
View
B+
Retailer 15
-
£715 GBP
$958 USD
View
B
Retailer 16
-
£843 GBP
$1,130 USD
View
B
Retailer 17
-
£844 GBP
View
B
Retailer 18
-
£855 GBP
$1,146 USD
View
B
Retailer 19
-
£956 GBP
$1,281 USD
View
Most Expensive
B
Brilliant Earth
18674982A · Oct 30
£1,075 GBP
$1,440 USD
View
19 more retailers have this diamond
Prices start from £197 GBPSave up to £878 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
1.59ct Heart
£197 GBP