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Princess|Lab Grown|IGI

1.23ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG800677691

Shape and cutting style on the report: Princess cut

Certificate IGI LG800677691

Diamond specifications and retailer prices

From £246 GBP
$329 USD
As of November 2, 2026
Save £1,934 GBP (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,179 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown princess diamond

This 1.23ct 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 LG800677691 or 800677691. Listed at 15 retailers as of November 1, 2026, with prices from £246 to £2,179, a £1,934 spread on the same certified stone. Do Amore Diamonds lists it at £2,179. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677691
Dimensions5.95 × 5.80 × 4.11 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.95 mm5.80 mm1.23 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677691
Side View
Table 68.0%Crown 40.5°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 70.9%

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: £2,179 GBP|Low: £246 GBP|High: £3,261 GBP|Avg: £1,021 GBP|-33.2%
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
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Retailer 15
November 1, 2026
Retailer 10£246 GBP
Retailer 15£284 GBP
Retailer 7£412 GBP
Retailer 11£420 GBP
Retailer 3£448 GBP
Retailer 4£487 GBP
Retailer 13£492 GBP
Retailer 9£568 GBP
Retailer 12£893 GBP
Retailer 14£1,080 GBP
Retailer 5£1,131 GBP
Retailer 2£1,313 GBP
Retailer 6£1,386 GBP
Retailer 8£1,620 GBP
Do Amore Diamonds£2,179 GBP

34 data points across 15 retailers

15 retailers£246 GBP to £2,179 GBP

A
Cheapest Retailer
-
£246 GBP
$329 USD
A
Retailer 2
-
£284 GBP
$381 USD
View
A
Retailer 3
-
£412 GBP
$552 USD
View
Final sale: no returns
A
Retailer 4
-
£420 GBP
$563 USD
View
A
Retailer 5
-
£448 GBP
$600 USD
View
A
Retailer 6
-
£487 GBP
$653 USD
View
A
Retailer 7
-
£492 GBP
$659 USD
View
A
Retailer 8
-
£568 GBP
€725 EUR
View
B+
Retailer 9
-
£893 GBP
$1,196 USD
View
B+
Retailer 10
-
£1,080 GBP
$1,447 USD
View
B
Retailer 11
-
£1,131 GBP
$1,515 USD
View
B
Retailer 12
-
£1,313 GBP
View
B
Retailer 13
-
£1,386 GBP
$1,857 USD
View
B
Retailer 14
-
£1,620 GBP
$2,170 USD
View
Most Expensive
B
Do Amore Diamonds
27-39D486257 · Nov 1
£2,179 GBP
$2,920 USD
View
14 more retailers have this diamond
Prices start from £246 GBPSave up to £1,934 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
1.23ct Princess
£246 GBP