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Round|Lab Grown|IGI

1.30ct I VVS2 Round Lab Grown Diamond

EX • I/VVS2 • IGI LG451056204

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451056204

Diamond specifications and retailer prices

From £455 GBP
$610 USD
As of November 2, 2026
Save £1,335 GBP (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,262 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG451056204 or 451056204. Listed at 12 retailers as of November 2, 2026, with a 294% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
I
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056204
Dimensions6.98 × 6.94 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.98 mm6.94 mm1.30 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056204
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,480 GBP|Low: £455 GBP|High: £2,762 GBP|Avg: £1,245 GBP|+3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 7£455 GBP
Retailer 9£694 GBP
Retailer 12£776 GBP
Retailer 10£805 GBP
Retailer 13£805 GBP
Retailer 2£935 GBP
Retailer 5£986 GBP
Retailer 3£1,180 GBP
Retailer 11£1,288 GBP
Retailer 1£1,480 GBP
Retailer 8£1,790 GBP
Retailer 4£2,303 GBP
Retailer 6£2,728 GBP

21 data points across 13 retailers

12 retailers£455 GBP to £1,790 GBP

B+
Cheapest Retailer
-
£455 GBP
$610 USD
B
Retailer 2
-
£694 GBP
$931 USD
View
B
Retailer 3
-
£755 GBP
$1,013 USD
View
B
Retailer 4
-
£776 GBP
$1,042 USD
View
Final sale: no returns
Retailer 5
-
£805 GBP
$1,080 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
£805 GBP
$1,080 USD
View
B
Retailer 7
-
£935 GBP
$1,255 USD
View
B
Retailer 8
-
£1,288 GBP
$1,728 USD
View
B
Retailer 9
-
£1,480 GBP
ZAR 32,087 ZAR
View
B
Retailer 10
-
£1,790 GBP
$2,402 USD
View
Most Expensive
NZ Jewellers
9952fd6a-b2ca-4157-a69c-59ef7ac364ea · Nov 3
£2,262 GBP
$3,035 USD
View
Price under review
10 more retailers have this diamond
Prices start from £455 GBPSave up to £1,335 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.

B+
1.30ct Round
£455 GBP