Radiant|Lab Grown|IGI

1.97ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG780662587

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG780662587

Diamond specifications and retailer prices

From £1,652 GBP
$2,214 USD
As of October 31, 2026
Save £3,354 GBP (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £6,783 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.97ct lab-grown radiant diamond

This 1.97ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662587 or 780662587. Listed at 14 retailers as of October 31, 2026, with a 203% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.97
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662587
Dimensions9.14 × 6.24 × 4.06 mm
L/W Ratio1.46
Culet sizePointed
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
9.14 mm6.24 mm1.97 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662587
Side View
Table 63.0%Crown 43.5°Girdle: Slightly ThickPavilion 32.4°Culet: NoneDepth 65.1%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £5,006 GBP|Low: £1,738 GBP|High: £5,074 GBP|Avg: £3,535 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 9£1,817 GBP
Retailer 3£2,412 GBP
Retailer 6£2,648 GBP
Retailer 4£2,794 GBP
Retailer 5£3,223 GBP
Retailer 2£3,432 GBP
Retailer 10£4,593 GBP
Retailer 8£4,724 GBP
Retailer 7£4,762 GBP
Retailer 1£5,006 GBP

42 data points across 10 retailers

14 retailers£1,652 GBP to £5,006 GBP

B+
Cheapest Retailer
-
£1,652 GBP
$2,214 USD
B+
Retailer 2
-
£1,817 GBP
$2,435 USD
View
B+
Retailer 3
-
£2,140 GBP
HK$22,400 HKD
View
B+
Retailer 4
-
£2,412 GBP
View
B
Retailer 5
-
£2,648 GBP
$3,548 USD
View
B
Retailer 6
-
£2,794 GBP
€3,565 EUR
View
B
Retailer 7
-
£3,223 GBP
ZAR 69,763 ZAR
View
Retailer 8
-
£3,432 GBP
$4,599 USD
View
Price last confirmed 73 days ago
B
Retailer 9
-
£4,593 GBP
$6,154 USD
View
B
Retailer 10
-
£4,724 GBP
$6,329 USD
View
B
Retailer 11
-
£4,762 GBP
$6,380 USD
View
B
Retailer 12
-
£5,006 GBP
View
Retailer 13
-
£6,134 GBP
$8,219 USD
View
Price under review
Most Expensive
With Clarity
780662587 · Oct 31
£6,783 GBP
$9,088 USD
View
Price under review
13 more retailers have this diamond
Prices start from £1,652 GBPSave up to £3,354 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+
1.97ct Radiant
£1,652 GBP