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Round|Lab Grown|IGI

3.04ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG835670921

Shape and cutting style on the report: Round brilliant

Certificate IGI LG835670921

Diamond specifications and retailer prices

From £1,224 GBP
$1,630 USD
As of October 29, 2026
Save £10,738 GBP (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £11,962 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.04ct lab-grown round diamond

This 3.04ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG835670921 or 835670921. Listed at 24 retailers as of October 29, 2026, with prices from £1,224 to £11,962, a £10,738 spread on the same certified stone. Brilliant Earth lists it at £11,962. 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

3.04
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835670921
Dimensions9.29 × 9.35 × 5.74 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
9.29 mm9.35 mm3.04 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835670921
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.6%

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: Oct 29
Current: £11,962 GBP|Low: £1,175 GBP|High: £11,962 GBP|Avg: £3,030 GBP
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 3£1,224 GBP
Retailer 5£1,332 GBP
Retailer 6£1,420 GBP
Retailer 12£1,629 GBP
Retailer 2£1,695 GBP
Retailer 18£1,723 GBP
Retailer 17£1,723 GBP
Retailer 10£1,937 GBP
Retailer 13£2,005 GBP
Retailer 16£2,138 GBP
Retailer 4£2,326 GBP
Retailer 9£2,662 GBP
Retailer 11£2,768 GBP
Retailer 14£3,298 GBP
Retailer 20£3,320 GBP
Retailer 19£3,506 GBP
Retailer 15£4,078 GBP
Retailer 8£4,324 GBP
Retailer 7£6,903 GBP
Brilliant Earth£11,962 GBP

33 data points across 20 retailers

24 retailers£1,224 GBP to £11,962 GBP

A
Cheapest Retailer
-
£1,224 GBP
$1,630 USD
A
Retailer 2
-
£1,332 GBP
$1,774 USD
View
A
Retailer 3
-
£1,420 GBP
$1,891 USD
View
Retailer 4
-
£1,420 GBP
$1,891 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
£1,556 GBP
$2,072 USD
View
Final sale: no returns
A
Retailer 6
-
£1,629 GBP
$2,169 USD
View
A
Retailer 7
-
£1,695 GBP
View
A
Retailer 8
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£1,723 GBP
$2,294 USD
View
A
Retailer 9
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£1,723 GBP
$2,295 USD
View
A
Retailer 10
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£1,937 GBP
$2,579 USD
View
A
Retailer 11
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£2,005 GBP
View
A
Retailer 12
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£2,138 GBP
€2,712 EUR
View
B+
Retailer 13
-
£2,326 GBP
$3,098 USD
View
B+
Retailer 14
-
£2,662 GBP
$3,545 USD
View
B+
Retailer 15
-
£2,768 GBP
CA$5,120 CAD
View
B+
Retailer 16
-
£3,298 GBP
ZAR 70,950 ZAR
View
B+
Retailer 17
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£3,320 GBP
$4,421 USD
View
B+
Retailer 18
-
£3,506 GBP
$4,668 USD
View
B+
Retailer 19
-
£4,078 GBP
View
B+
Retailer 20
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£4,324 GBP
$5,758 USD
View
B
Retailer 21
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£4,987 GBP
$6,641 USD
View
B
Retailer 22
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£6,903 GBP
$9,192 USD
View
B
Retailer 23
-
£7,039 GBP
$9,374 USD
View
Most Expensive
B
Brilliant Earth
21654475A · Oct 29
£11,962 GBP
$15,930 USD
View
23 more retailers have this diamond
Prices start from £1,224 GBPSave up to £10,738 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
3.04ct Round
£1,224 GBP