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Round|Lab Grown|IGI

3.13ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG654485633

Shape and cutting style on the report: Round brilliant

Certificate IGI LG654485633

Diamond specifications and retailer prices

From £705 GBP
$946 USD
As of November 1, 2026
Save £10,316 GBP (94%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £11,021 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.13ct lab-grown round diamond

This 3.13ct lab-grown round 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 LG654485633 or 654485633. Listed at 23 retailers as of November 1, 2026, with prices from £705 to £11,021, a £10,316 spread on the same certified stone. Brilliant Earth lists it at £11,021. 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

3.13
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654485633
Dimensions9.39 × 9.42 × 5.74 mm
L/W Ratio1.00
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
Top View
9.39 mm9.42 mm3.13 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654485633
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

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: £11,021 GBP|Low: £677 GBP|High: £11,021 GBP|Avg: £2,259 GBP
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
Retailer 16
Retailer 17
November 3, 2026
Retailer 3£705 GBP
Retailer 8£788 GBP
Retailer 4£817 GBP
Retailer 9£817 GBP
Retailer 14£946 GBP
Retailer 7£1,077 GBP
Retailer 2£1,289 GBP
Retailer 5£1,308 GBP
Retailer 13£1,416 GBP
Retailer 17£1,762 GBP
Retailer 11£2,037 GBP
Retailer 12£2,095 GBP
Retailer 15£2,534 GBP
Retailer 10£3,060 GBP
Retailer 6£3,177 GBP
Retailer 16£4,106 GBP
Brilliant Earth£11,021 GBP

43 data points across 17 retailers

23 retailers£705 GBP to £11,021 GBP

A
Cheapest Retailer
-
£705 GBP
$946 USD
A
Retailer 2
-
£767 GBP
$1,029 USD
View
A
Retailer 3
-
£788 GBP
$1,058 USD
View
Final sale: no returns
Retailer 4
-
£817 GBP
$1,097 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£817 GBP
$1,097 USD
View
A
Retailer 6
-
£946 GBP
$1,270 USD
View
A
Retailer 7
-
£1,077 GBP
$1,445 USD
View
A
Retailer 8
-
£1,289 GBP
View
A
Retailer 9
-
£1,308 GBP
$1,755 USD
View
A
Retailer 10
-
£1,416 GBP
€1,810 EUR
View
A
Retailer 11
-
£1,429 GBP
$1,918 USD
View
A
Retailer 12
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£1,691 GBP
$2,269 USD
View
A
Retailer 13
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£1,762 GBP
$2,364 USD
View
A
Retailer 14
-
£2,037 GBP
A$4,206 AUD
View
A
Retailer 15
-
£2,095 GBP
ZAR 45,415 ZAR
View
B+
Retailer 16
-
£2,534 GBP
$3,400 USD
View
B+
Retailer 17
-
£3,060 GBP
View
B+
Retailer 18
-
£3,177 GBP
SGD 5,761 SGD
View
B+
Retailer 19
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£3,209 GBP
$4,307 USD
View
Retailer 20
-
£4,106 GBP
$5,510 USD
View
Price last confirmed 16 days ago
B
Retailer 21
-
£6,260 GBP
$8,400 USD
View
B
Retailer 22
-
£6,759 GBP
$9,070 USD
View
Most Expensive
B
Brilliant Earth
21069191Y · Nov 2
£11,021 GBP
$14,790 USD
View
22 more retailers have this diamond
Prices start from £705 GBPSave up to £10,316 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
3.13ct Round
£705 GBP