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Radiant|Lab Grown|IGI

3.03ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG770617592

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG770617592

Diamond specifications and retailer prices

From £705 GBP
$945 USD
As of October 30, 2026
Save £5,556 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,262 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.03ct lab-grown radiant diamond

This 3.03ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770617592 or 770617592. Listed at 17 retailers as of October 30, 2026, with prices from £705 to £6,262, a £5,556 spread on the same certified stone. Do Amore Diamonds lists it at £6,262. 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

3.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770617592
Dimensions9.92 × 7.19 × 4.93 mm
L/W Ratio1.38
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
Top View
9.92 mm7.19 mm3.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770617592
Side View
Table 67.0%Crown 46.1°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 30
Current: £6,262 GBP|Low: £705 GBP|High: £7,195 GBP|Avg: £2,456 GBP|-13.0%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 31, 2026
Retailer 15£705 GBP
Retailer 3£784 GBP
Retailer 14£854 GBP
Retailer 12£1,031 GBP
Retailer 10£1,071 GBP
Retailer 8£1,248 GBP
Retailer 5£1,253 GBP
Retailer 2£1,494 GBP
Retailer 11£1,722 GBP
Retailer 17£1,730 GBP
Retailer 6£2,109 GBP
Retailer 4£2,534 GBP
Retailer 13£2,770 GBP
Retailer 16£3,147 GBP
Retailer 7£3,985 GBP
Retailer 9£5,881 GBP
Do Amore Diamonds£6,262 GBP

39 data points across 17 retailers

17 retailers£705 GBP to £6,262 GBP

A+
Cheapest Retailer
-
£705 GBP
$945 USD
A
Retailer 2
-
£784 GBP
$1,051 USD
View
A
Retailer 3
-
£854 GBP
$1,144 USD
View
Final sale: no returns
A
Retailer 4
-
£1,031 GBP
$1,382 USD
View
A
Retailer 5
-
£1,071 GBP
$1,435 USD
View
A
Retailer 6
-
£1,248 GBP
$1,673 USD
View
A
Retailer 7
-
£1,253 GBP
$1,679 USD
View
A
Retailer 8
-
£1,494 GBP
€1,906 EUR
View
A
Retailer 9
-
£1,722 GBP
$2,307 USD
View
A
Retailer 10
-
£1,730 GBP
$2,318 USD
View
Retailer 11
-
£2,109 GBP
A$4,348 AUD
View
Price last confirmed 10 days ago
A
Retailer 12
-
£2,534 GBP
$3,395 USD
View
B+
Retailer 13
-
£2,770 GBP
$3,711 USD
View
B+
Retailer 14
-
£3,147 GBP
View
Retailer 15
-
£3,985 GBP
$5,340 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
£5,881 GBP
$7,880 USD
View
Most Expensive
B
Do Amore Diamonds
27-594236A2E · Oct 31
£6,262 GBP
$8,390 USD
View
16 more retailers have this diamond
Prices start from £705 GBPSave up to £5,556 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+
3.03ct Radiant
£705 GBP