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Heart|Lab Grown|IGI

1.89ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG826699094

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG826699094

Diamond specifications and retailer prices

From £309 GBP
$414 USD
As of November 1, 2026
Save £672 GBP (69%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £981 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 1.89ct lab-grown heart diamond

This 1.89ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826699094 or 826699094. Listed at 3 retailers as of November 1, 2026, with prices from £309 to £981, a £672 spread on the same certified stone. The Diamond Guys lists it at £981. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826699094
Dimensions8.62 × 7.33 × 5.11 mm
L/W Ratio1.18
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.62 mm7.33 mm1.89 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826699094
Side View
Table 61.0%Crown 35.8°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £435 GBP|Low: £309 GBP|High: £981 GBP|Avg: £627 GBP|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
September 18, 2026
Retailer 3£309 GBP
Retailer 2£428 GBP
Retailer 1£435 GBP
Retailer 4£443 GBP
Retailer 6£743 GBP
Retailer 5£944 GBP
The Diamond Guys£981 GBP

13 data points across 7 retailers

3 retailers£309 GBP to £981 GBP

B+
Cheapest Retailer
-
£309 GBP
$414 USD
B+
Retailer 2
-
£743 GBP
CA$1,382 CAD
View
Most Expensive
B
The Diamond Guys
1976079834 · Nov 1
£981 GBP
$1,315 USD
View
2 more retailers have this diamond
Prices start from £309 GBPSave up to £672 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.

B+
1.89ct Heart
£309 GBP