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Radiant|Lab Grown|IGI

1.88ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG799643661

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

Certificate IGI LG799643661

Diamond specifications and retailer prices

From £789 GBP
$1,057 USD
As of October 30, 2026
Save £2,876 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,664 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.88ct lab-grown radiant diamond

This 1.88ct 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 LG799643661 or 799643661. Listed at 8 retailers as of October 29, 2026, with prices from £789 to £3,664, a £2,876 spread on the same certified stone. Do Amore Diamonds lists it at £3,664. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799643661
Dimensions8.61 × 6.18 × 4.24 mm
L/W Ratio1.39
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
8.61 mm6.18 mm1.88 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799643661
Side View
Table 65.0%Crown 38.7°Girdle: Slightly ThickPavilion 37.4°Culet: NoneDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £3,664 GBP|Low: £634 GBP|High: £4,597 GBP|Avg: £2,406 GBP|-4.3%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
October 30, 2026
Retailer 9£789 GBP
Retailer 8£825 GBP
Retailer 13£1,227 GBP
Retailer 10£1,320 GBP
Retailer 12£1,667 GBP
Retailer 3£1,773 GBP
Retailer 5£2,128 GBP
Retailer 7£2,462 GBP
Retailer 14£2,639 GBP
Retailer 4£2,878 GBP
Retailer 2£3,120 GBP
Retailer 11£3,388 GBP
Do Amore Diamonds£3,664 GBP
Retailer 6£4,189 GBP

15 data points across 14 retailers

8 retailers£789 GBP to £3,664 GBP

A
Cheapest Retailer
-
£789 GBP
$1,057 USD
A
Retailer 2
-
£825 GBP
$1,105 USD
View
B+
Retailer 3
-
£1,320 GBP
$1,768 USD
View
B+
Retailer 4
-
£1,667 GBP
$2,234 USD
View
B
Retailer 5
-
£2,462 GBP
View
B
Retailer 6
-
£3,120 GBP
$4,180 USD
View
Retailer 7
-
£3,388 GBP
$4,540 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-95B118855 · Oct 29
£3,664 GBP
$4,910 USD
View
7 more retailers have this diamond
Prices start from £789 GBPSave up to £2,876 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
1.88ct Radiant
£789 GBP