CaratHunter
Plans
Radiant|Lab Grown|IGI

1.65ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG801693908

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

Certificate IGI LG801693908

Diamond specifications and retailer prices

From £420 GBP
$564 USD
As of November 2, 2026
Save £3,306 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,726 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.65ct lab-grown radiant diamond

This 1.65ct 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 LG801693908 or 801693908. Listed at 14 retailers as of November 1, 2026, with prices from £420 to £3,726, a £3,306 spread on the same certified stone. Do Amore Diamonds lists it at £3,726. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801693908
Dimensions8.28 × 5.86 × 3.97 mm
L/W Ratio1.41
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
8.28 mm5.86 mm1.65 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801693908
Side View
Table 66.0%Crown 44.6°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 67.7%

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: Nov 2
Current: £3,726 GBP|Low: £420 GBP|High: £4,359 GBP|Avg: £1,579 GBP|-14.5%
Do Amore Diamonds
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
November 2, 2026
Retailer 9£420 GBP
Retailer 14£470 GBP
Retailer 6£558 GBP
Retailer 11£618 GBP
Retailer 4£626 GBP
Retailer 5£754 GBP
Retailer 10£803 GBP
Retailer 2£921 GBP
Retailer 12£1,292 GBP
Retailer 13£1,512 GBP
Retailer 7£2,265 GBP
Retailer 8£2,727 GBP
Retailer 3£2,932 GBP
Do Amore Diamonds£3,726 GBP

32 data points across 14 retailers

14 retailers£420 GBP to £3,726 GBP

A
Cheapest Retailer
-
£420 GBP
$564 USD
A
Retailer 2
-
£470 GBP
$631 USD
View
A
Retailer 3
-
£558 GBP
$749 USD
View
Final sale: no returns
A
Retailer 4
-
£618 GBP
$829 USD
View
A
Retailer 5
-
£626 GBP
$840 USD
View
A
Retailer 6
-
£754 GBP
$1,012 USD
View
A
Retailer 7
-
£803 GBP
$1,077 USD
View
B+
Retailer 8
-
£921 GBP
€1,177 EUR
View
B+
Retailer 9
-
£1,292 GBP
$1,734 USD
View
B+
Retailer 10
-
£1,512 GBP
$2,029 USD
View
B
Retailer 11
-
£2,265 GBP
View
B
Retailer 12
-
£2,727 GBP
$3,660 USD
View
B
Retailer 13
-
£2,932 GBP
$3,935 USD
View
Most Expensive
B
Do Amore Diamonds
27-33F679713 · Nov 1
£3,726 GBP
$5,000 USD
View
13 more retailers have this diamond
Prices start from £420 GBPSave up to £3,306 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
1.65ct Radiant
£420 GBP