Heart|Lab Grown|IGI

2.12ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836617858

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836617858

Diamond specifications and retailer prices

From £928 GBP
$1,243 USD
As of October 28, 2026
Save £3,274 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,202 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.12ct lab-grown heart diamond

This 2.12ct lab-grown heart sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836617858 or 836617858. Listed at 17 retailers as of October 28, 2026, with prices from £928 to £4,202, a £3,274 spread on the same certified stone. Brilliant Earth lists it at £4,202. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.12
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617858
Dimensions8.00 × 8.96 × 5.00 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.00 mm8.96 mm2.12 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617858
Side View
Table 59.0%Crown 38.6°Girdle: MED-STKPavilion 36.6°Culet: NoneDepth 55.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £4,202 GBP|Low: £928 GBP|High: £5,403 GBP|Avg: £2,367 GBP|-22.2%
Brilliant Earth
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
October 30, 2026
Retailer 16£928 GBP
Retailer 2£1,036 GBP
Retailer 12£1,049 GBP
Retailer 7£1,078 GBP
Retailer 8£1,078 GBP
Retailer 9£1,359 GBP
Retailer 4£1,494 GBP
Retailer 13£1,509 GBP
Retailer 5£1,903 GBP
Retailer 10£2,421 GBP
Retailer 3£2,709 GBP
Retailer 11£3,200 GBP
Retailer 14£3,279 GBP
Retailer 6£3,282 GBP
Retailer 15£3,547 GBP
Brilliant Earth£4,202 GBP

21 data points across 16 retailers

17 retailers£928 GBP to £4,202 GBP

A
Cheapest Retailer
-
£928 GBP
$1,243 USD
Final sale: no returns
Retailer 2
-
£930 GBP
$1,246 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£1,036 GBP
View
A
Retailer 4
-
£1,049 GBP
$1,405 USD
View
Retailer 5
-
£1,078 GBP
$1,445 USD
View
Price last confirmed 18 days ago
Retailer 6
-
£1,078 GBP
$1,445 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
£1,359 GBP
View
B+
Retailer 8
-
£1,494 GBP
$2,002 USD
View
B+
Retailer 9
-
£1,509 GBP
$2,022 USD
View
B+
Retailer 10
-
£1,903 GBP
$2,550 USD
View
B+
Retailer 11
-
£2,421 GBP
ZAR 52,406 ZAR
View
B+
Retailer 12
-
£2,709 GBP
$3,630 USD
View
B+
Retailer 13
-
£3,200 GBP
View
B
Retailer 14
-
£3,279 GBP
$4,394 USD
View
B
Retailer 15
-
£3,282 GBP
SGD 5,942 SGD
View
B
Retailer 16
-
£3,547 GBP
$4,753 USD
View
Most Expensive
B
Brilliant Earth
21641081A · Oct 30
£4,202 GBP
$5,630 USD
View
16 more retailers have this diamond
Prices start from £928 GBPSave up to £3,274 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
2.12ct Heart
£928 GBP