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Round|Lab Grown|IGI

2.77ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG731531762

Shape and cutting style on the report: Round brilliant

Certificate IGI LG731531762

Diamond specifications and retailer prices

From £566 GBP
$759 USD
As of October 26, 2026
Save £5,807 GBP (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £6,374 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.77ct lab-grown round diamond

This 2.77ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731531762 or 731531762. Listed at 21 retailers as of October 26, 2026, with prices from £566 to £6,374, a £5,807 spread on the same certified stone. Brilliant Earth lists it at £6,374. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.77
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731531762
Dimensions8.99 × 9.04 × 5.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
8.99 mm9.04 mm2.77 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731531762
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.5%

Caratlytics Score

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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 26
Current: £6,374 GBP|Low: £616 GBP|High: £9,814 GBP|Avg: £1,854 GBP|-35.1%
Brilliant Earth
Retailer 2
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Retailer 20
November 1, 2026
Retailer 10£616 GBP
Retailer 6£634 GBP
Retailer 16£764 GBP
Retailer 14£787 GBP
Retailer 5£872 GBP
Retailer 2£995 GBP
Retailer 17£1,044 GBP
Retailer 18£1,063 GBP
Retailer 13£1,561 GBP
Retailer 15£1,563 GBP
Retailer 4£1,724 GBP
Retailer 8£1,848 GBP
Retailer 9£1,911 GBP
Retailer 7£2,209 GBP
Retailer 3£2,223 GBP
Retailer 20£2,223 GBP
Retailer 11£2,269 GBP
Retailer 19£2,494 GBP
Retailer 12£4,146 GBP
Brilliant Earth£6,374 GBP

28 data points across 20 retailers

21 retailers£566 GBP to £6,374 GBP

A
Cheapest Retailer
-
£566 GBP
$759 USD
A
Retailer 2
-
£616 GBP
$826 USD
View
A
Retailer 3
-
£634 GBP
$850 USD
View
Final sale: no returns
Retailer 4
-
£658 GBP
$881 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
£658 GBP
$881 USD
View
A
Retailer 6
-
£764 GBP
HK$8,000 HKD
View
A
Retailer 7
-
£787 GBP
$1,055 USD
View
A
Retailer 8
-
£872 GBP
$1,168 USD
View
A
Retailer 9
-
£995 GBP
View
A
Retailer 10
-
£1,063 GBP
$1,424 USD
View
A
Retailer 11
-
£1,561 GBP
A$3,217 AUD
View
A
Retailer 12
-
£1,563 GBP
$2,094 USD
View
B+
Retailer 13
-
£1,724 GBP
$2,310 USD
View
B+
Retailer 14
-
£1,848 GBP
$2,476 USD
View
Retailer 15
-
£1,911 GBP
ZAR 41,358 ZAR
View
Price last confirmed 22 days ago
B+
Retailer 16
-
£2,135 GBP
$2,861 USD
View
B+
Retailer 17
-
£2,209 GBP
SGD 4,000 SGD
View
B+
Retailer 18
-
£2,223 GBP
$2,978 USD
View
B+
Retailer 19
-
£2,223 GBP
$2,978 USD
View
B+
Retailer 20
-
£2,269 GBP
$3,040 USD
View
Most Expensive
B
Brilliant Earth
19055687A · Oct 31
£6,374 GBP
$8,540 USD
View
20 more retailers have this diamond
Prices start from £566 GBPSave up to £5,807 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
2.77ct Round
£566 GBP