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Round|Lab Grown|IGI

3.13ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG677527433

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677527433

Diamond specifications and retailer prices

From £771 GBP
$1,035 USD
As of November 1, 2026
Save £10,250 GBP (93%) 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 LG677527433 or 677527433. Listed at 23 retailers as of November 1, 2026, with prices from £771 to £11,021, a £10,250 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 angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677527433
Dimensions9.32 × 9.40 × 5.83 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
9.32 mm9.40 mm3.13 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677527433
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

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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: £771 GBP|High: £11,021 GBP|Avg: £2,600 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
November 3, 2026
Retailer 6£771 GBP
Retailer 5£1,060 GBP
Retailer 2£1,256 GBP
Retailer 15£1,279 GBP
Retailer 11£1,282 GBP
Retailer 13£1,777 GBP
Retailer 9£1,991 GBP
Retailer 10£2,047 GBP
Retailer 7£2,484 GBP
Retailer 14£2,499 GBP
Retailer 3£2,601 GBP
Retailer 8£2,991 GBP
Retailer 4£3,789 GBP
Retailer 12£4,099 GBP
Brilliant Earth£11,021 GBP

41 data points across 15 retailers

23 retailers£771 GBP to £11,021 GBP

Retailer 1
-
£689 GBP
$924 USD
Price last confirmed 23 days ago
Retailer 2
-
£749 GBP
$1,005 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
£771 GBP
$1,035 USD
View
Final sale: no returns
Retailer 4
-
£799 GBP
$1,072 USD
View
Price last confirmed 17 days ago
Retailer 5
-
£799 GBP
$1,072 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£1,060 GBP
$1,422 USD
View
A
Retailer 7
-
£1,256 GBP
View
A
Retailer 8
-
£1,279 GBP
$1,717 USD
View
A
Retailer 9
-
£1,282 GBP
$1,720 USD
View
A
Retailer 10
-
£1,426 GBP
$1,913 USD
View
Retailer 11
-
£1,653 GBP
$2,218 USD
View
Price last confirmed 26 days ago
A
Retailer 12
-
£1,777 GBP
$2,385 USD
View
A
Retailer 13
-
£1,991 GBP
A$4,111 AUD
View
A
Retailer 14
-
£2,047 GBP
ZAR 44,387 ZAR
View
Retailer 15
-
£2,484 GBP
$3,333 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
£2,499 GBP
$3,353 USD
View
B+
Retailer 17
-
£2,587 GBP
$3,471 USD
View
B+
Retailer 18
-
£2,601 GBP
$3,490 USD
View
B+
Retailer 19
-
£2,991 GBP
View
B+
Retailer 20
-
£3,138 GBP
$4,211 USD
View
B+
Retailer 21
-
£3,789 GBP
$5,085 USD
View
B
Retailer 22
-
£6,118 GBP
$8,210 USD
View
Most Expensive
B
Brilliant Earth
18397074Y · Nov 2
£11,021 GBP
$14,790 USD
View
22 more retailers have this diamond
Prices start from £771 GBPSave up to £10,250 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
£771 GBP