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Princess|Lab Grown|IGI

1.18ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG800685320

Shape and cutting style on the report: Princess cut

Certificate IGI LG800685320

Diamond specifications and retailer prices

From £237 GBP
$317 USD
As of November 2, 2026
Save £1,861 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,097 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.18ct lab-grown princess diamond

This 1.18ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800685320 or 800685320. Listed at 16 retailers as of October 31, 2026, with prices from £237 to £2,097, a £1,861 spread on the same certified stone. Do Amore Diamonds lists it at £2,097. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800685320
Dimensions5.76 × 5.73 × 3.95 mm
L/W Ratio1.01
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
5.76 mm5.73 mm1.18 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800685320
Side View
Table 68.0%Crown 46°Girdle: Slightly ThickPavilion 36.3°Culet: NoneDepth 68.9%

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: £2,097 GBP|Low: £237 GBP|High: £3,112 GBP|Avg: £998 GBP|-32.6%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
November 1, 2026
Retailer 12£237 GBP
Retailer 4£274 GBP
Retailer 8£333 GBP
Retailer 13£408 GBP
Retailer 9£429 GBP
Retailer 5£452 GBP
Retailer 15£475 GBP
Retailer 11£548 GBP
Retailer 14£859 GBP
Retailer 3£1,040 GBP
Retailer 2£1,263 GBP
Retailer 7£1,322 GBP
Retailer 10£1,552 GBP
Retailer 6£1,922 GBP
Do Amore Diamonds£2,097 GBP

33 data points across 15 retailers

16 retailers£237 GBP to £2,097 GBP

A
Cheapest Retailer
-
£237 GBP
$317 USD
A
Retailer 2
-
£274 GBP
$367 USD
View
A
Retailer 3
-
£333 GBP
View
A
Retailer 4
-
£396 GBP
$530 USD
View
Final sale: no returns
A
Retailer 5
-
£408 GBP
$547 USD
View
A
Retailer 6
-
£429 GBP
$575 USD
View
A
Retailer 7
-
£452 GBP
$606 USD
View
A
Retailer 8
-
£475 GBP
$637 USD
View
A
Retailer 9
-
£548 GBP
€699 EUR
View
B+
Retailer 10
-
£859 GBP
$1,151 USD
View
B+
Retailer 11
-
£1,040 GBP
$1,393 USD
View
B
Retailer 12
-
£1,263 GBP
View
B+
Retailer 13
-
£1,322 GBP
$1,772 USD
View
B
Retailer 14
-
£1,552 GBP
$2,080 USD
View
Retailer 15
-
£1,922 GBP
$2,575 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Do Amore Diamonds
27-4A3F4BEDB · Oct 31
£2,097 GBP
$2,810 USD
View
15 more retailers have this diamond
Prices start from £237 GBPSave up to £1,861 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
1.18ct Princess
£237 GBP