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Round|Lab Grown|IGI

1.28ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG823695132

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823695132

Diamond specifications and retailer prices

From £506 GBP
$674 USD
As of October 29, 2026
Save £1,981 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,487 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823695132 or 823695132. Listed at 20 retailers as of October 29, 2026, with prices from £506 to £2,487, a £1,981 spread on the same certified stone. MOH London lists it at £2,487. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823695132
Dimensions6.96 × 7.00 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
6.96 mm7.00 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823695132
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

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: Oct 29
Current: £2,487 GBP|Low: £551 GBP|High: £2,908 GBP|Avg: £1,296 GBP|-14.4%
MOH London
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
Retailer 15
Retailer 16
October 30, 2026
Retailer 14£551 GBP
Retailer 5£567 GBP
Retailer 15£682 GBP
Retailer 16£697 GBP
Retailer 11£721 GBP
Retailer 2£937 GBP
Retailer 9£955 GBP
Retailer 3£956 GBP
Retailer 10£1,080 GBP
Retailer 12£1,213 GBP
Retailer 13£1,500 GBP
Retailer 7£1,978 GBP
Retailer 8£2,026 GBP
Retailer 6£2,033 GBP
Retailer 4£2,163 GBP
MOH London£2,487 GBP

42 data points across 16 retailers

20 retailers£506 GBP to £2,487 GBP

A
Cheapest Retailer
-
£506 GBP
$674 USD
A
Retailer 2
-
£551 GBP
$734 USD
View
A
Retailer 3
-
£567 GBP
$755 USD
View
Final sale: no returns
A
Retailer 4
-
£587 GBP
$782 USD
View
Retailer 5
-
£587 GBP
$782 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
£682 GBP
HK$7,100 HKD
View
B+
Retailer 7
-
£697 GBP
$928 USD
View
B+
Retailer 8
-
£721 GBP
$960 USD
View
B+
Retailer 9
-
£937 GBP
View
B+
Retailer 10
-
£955 GBP
€1,211 EUR
View
B+
Retailer 11
-
£956 GBP
$1,273 USD
View
B+
Retailer 12
-
£1,080 GBP
ZAR 23,225 ZAR
View
Retailer 13
-
£1,213 GBP
$1,615 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
£1,500 GBP
$1,998 USD
View
B
Retailer 15
-
£1,651 GBP
$2,199 USD
View
B
Retailer 16
-
£1,978 GBP
SGD 3,560 SGD
View
B
Retailer 17
-
£2,026 GBP
$2,698 USD
View
B
Retailer 18
-
£2,033 GBP
$2,707 USD
View
B
Retailer 19
-
£2,163 GBP
$2,880 USD
View
Most Expensive
B
MOH London
LG823695132 · Oct 29
£2,487 GBP
View
19 more retailers have this diamond
Prices start from £506 GBPSave up to £1,981 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
1.28ct Round
£506 GBP