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Round|Lab Grown|IGI

1.27ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG825662607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825662607

Diamond specifications and retailer prices

From £192 GBP
$258 USD
As of November 3, 2026
Save £986 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,178 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.27ct lab-grown round diamond

This 1.27ct 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 LG825662607 or 825662607. Listed at 18 retailers as of November 1, 2026, with prices from £192 to £1,178, a £986 spread on the same certified stone. Rare Carat lists it at £1,178. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825662607
Dimensions7.00 × 6.95 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.00 mm6.95 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825662607
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.8%

Caratlytics Score

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A+
Exceptional
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 3
Current: £1,178 GBP|Low: £192 GBP|High: £1,182 GBP|Avg: £543 GBP|-0.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 3, 2026
Retailer 12£192 GBP
Retailer 4£215 GBP
Retailer 3£223 GBP
Retailer 14£239 GBP
Retailer 9£242 GBP
Retailer 5£321 GBP
Retailer 8£328 GBP
Retailer 11£412 GBP
Retailer 17£427 GBP
Retailer 10£451 GBP
Retailer 16£568 GBP
Retailer 15£578 GBP
Retailer 2£767 GBP
Retailer 7£805 GBP
Retailer 13£956 GBP
Retailer 6£1,028 GBP
Rare Carat£1,178 GBP

35 data points across 17 retailers

18 retailers£192 GBP to £1,178 GBP

A+
Cheapest Retailer
-
£192 GBP
$258 USD
A
Retailer 2
-
£215 GBP
$288 USD
View
Final sale: no returns
A
Retailer 3
-
£223 GBP
$299 USD
View
A
Retailer 4
-
£239 GBP
$320 USD
View
Retailer 5
-
£242 GBP
$325 USD
View
Price last confirmed 9 days ago
Retailer 6
-
£286 GBP
HK$3,000 HKD
View
Price last confirmed 60 days ago
A
Retailer 7
-
£321 GBP
$430 USD
View
A
Retailer 8
-
£328 GBP
$440 USD
View
A
Retailer 9
-
£412 GBP
ZAR 8,927 ZAR
View
A
Retailer 10
-
£427 GBP
$573 USD
View
A
Retailer 11
-
£451 GBP
View
B+
Retailer 12
-
£568 GBP
$762 USD
View
A
Retailer 13
-
£578 GBP
$775 USD
View
B+
Retailer 14
-
£767 GBP
$1,029 USD
View
B+
Retailer 15
-
£805 GBP
$1,080 USD
View
B+
Retailer 16
-
£956 GBP
View
B+
Retailer 17
-
£1,028 GBP
$1,379 USD
View
Most Expensive
B+
Rare Carat
NJ33 46 · Nov 1
£1,178 GBP
$1,580 USD
View
17 more retailers have this diamond
Prices start from £192 GBPSave up to £986 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+
1.27ct Round
£192 GBP