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Round|Lab Grown|IGI

3.09ct I VVS2 Round Lab Grown Diamond

EX • I/VVS2 • IGI LG839672610

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839672610

Diamond specifications and retailer prices

From £270 GBP
$359 USD
As of October 29, 2026
Save £1,101 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,370 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839672610 or 839672610. Listed at 18 retailers as of October 28, 2026, with prices from £270 to £1,370, a £1,101 spread on the same certified stone. Rare Carat lists it at £1,370. 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

3.09
Carat
I
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839672610
Dimensions9.47 × 9.51 × 5.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.47 mm9.51 mm3.09 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839672610
Side View
Table 59.0%Crown 32.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.6%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £1,370 GBP|Low: £263 GBP|High: £1,374 GBP|Avg: £708 GBP|-0.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 30, 2026
Retailer 15£270 GBP
Retailer 14£313 GBP
Retailer 7£334 GBP
Retailer 8£334 GBP
Retailer 6£375 GBP
Retailer 5£447 GBP
Retailer 2£448 GBP
Retailer 17£449 GBP
Retailer 12£527 GBP
Retailer 16£573 GBP
Retailer 13£726 GBP
Retailer 4£818 GBP
Retailer 18£981 GBP
Retailer 10£1,075 GBP
Retailer 9£1,087 GBP
Retailer 3£1,106 GBP
Retailer 11£1,314 GBP
Rare Carat£1,370 GBP

27 data points across 18 retailers

18 retailers£270 GBP to £1,370 GBP

A
Cheapest Retailer
-
£270 GBP
$359 USD
A
Retailer 2
-
£313 GBP
$417 USD
View
A
Retailer 3
-
£334 GBP
$445 USD
View
A
Retailer 4
-
£334 GBP
$445 USD
View
A
Retailer 5
-
£375 GBP
HK$3,900 HKD
View
A
Retailer 6
-
£447 GBP
$595 USD
View
A
Retailer 7
-
£448 GBP
View
B+
Retailer 8
-
£449 GBP
$598 USD
View
A
Retailer 9
-
£527 GBP
€668 EUR
View
A
Retailer 10
-
£573 GBP
$763 USD
View
A
Retailer 11
-
£726 GBP
ZAR 15,618 ZAR
View
B+
Retailer 12
-
£818 GBP
$1,089 USD
View
B+
Retailer 13
-
£981 GBP
$1,306 USD
View
B+
Retailer 14
-
£1,075 GBP
$1,432 USD
View
B
Retailer 15
-
£1,087 GBP
SGD 1,957 SGD
View
B+
Retailer 16
-
£1,106 GBP
$1,472 USD
View
B
Retailer 17
-
£1,314 GBP
View
Most Expensive
B
Rare Carat
AJ-00057534 · Oct 28
£1,370 GBP
$1,825 USD
View
17 more retailers have this diamond
Prices start from £270 GBPSave up to £1,101 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
3.09ct Round
£270 GBP