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Round|Lab Grown|IGI

1.50ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG735528247

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735528247

Diamond specifications and retailer prices

From £206 GBP
$277 USD
As of November 1, 2026
Save £1,284 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,490 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735528247 or 735528247. Listed at 21 retailers as of October 31, 2026, with prices from £206 to £1,490, a £1,284 spread on the same certified stone. Brilliant Earth lists it at £1,490. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735528247
Dimensions7.34 × 7.29 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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 Faint Blue
Top View
7.34 mm7.29 mm1.50 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735528247
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,490 GBP|Low: £198 GBP|High: £1,706 GBP|Avg: £625 GBP|-12.7%
Brilliant Earth
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
November 2, 2026
Retailer 4£206 GBP
Retailer 6£256 GBP
Retailer 15£273 GBP
Retailer 3£344 GBP
Retailer 12£373 GBP
Retailer 2£406 GBP
Retailer 9£442 GBP
Retailer 8£450 GBP
Retailer 7£507 GBP
Retailer 11£596 GBP
Retailer 10£616 GBP
Retailer 5£986 GBP
Retailer 13£1,029 GBP
Retailer 14£1,397 GBP
Brilliant Earth£1,490 GBP

43 data points across 15 retailers

21 retailers£206 GBP to £1,490 GBP

A
Cheapest Retailer
-
£206 GBP
$277 USD
A
Retailer 2
-
£240 GBP
$322 USD
View
A
Retailer 3
-
£256 GBP
$344 USD
View
Retailer 4
-
£256 GBP
$344 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£273 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
£344 GBP
$462 USD
View
A
Retailer 7
-
£373 GBP
$500 USD
View
A
Retailer 8
-
£406 GBP
€519 EUR
View
A
Retailer 9
-
£442 GBP
ZAR 9,584 ZAR
View
A
Retailer 10
-
£450 GBP
View
A
Retailer 11
-
£507 GBP
$680 USD
View
A
Retailer 12
-
£596 GBP
A$1,231 AUD
View
B+
Retailer 13
-
£616 GBP
$826 USD
View
B+
Retailer 14
-
£626 GBP
$840 USD
View
B+
Retailer 15
-
£823 GBP
SGD 1,493 SGD
View
B+
Retailer 16
-
£824 GBP
$1,106 USD
View
B+
Retailer 17
-
£862 GBP
$1,157 USD
View
B
Retailer 18
-
£986 GBP
$1,323 USD
View
B+
Retailer 19
-
£1,029 GBP
View
B
Retailer 20
-
£1,397 GBP
$1,875 USD
View
Most Expensive
B
Brilliant Earth
18205455A · Oct 31
£1,490 GBP
$2,000 USD
View
20 more retailers have this diamond
Prices start from £206 GBPSave up to £1,284 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
1.50ct Round
£206 GBP