Oval|Lab Grown|IGI

1.30ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG816630905

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816630905

Diamond specifications and retailer prices

From £228 GBP
$305 USD
As of October 30, 2026
Save £1,650 GBP (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,214 GBP at Rare Carat · As of August 9, 2026
View at Rare Carat

About this 1.3ct lab-grown oval diamond

This 1.3ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816630905 or 816630905. Listed at 24 retailers as of October 30, 2026, with a 725% 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
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816630905
Dimensions8.75 × 6.14 × 3.86 mm
L/W Ratio1.43
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
8.75 mm6.14 mm1.30 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816630905
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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 30
Current: £1,116 GBP|Low: £228 GBP|High: £1,878 GBP|Avg: £743 GBP|-12.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
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Retailer 18
Retailer 19
November 1, 2026
Retailer 3£228 GBP
Retailer 12£287 GBP
Retailer 5£337 GBP
Retailer 14£369 GBP
Retailer 16£391 GBP
Retailer 4£478 GBP
Retailer 13£490 GBP
Retailer 10£502 GBP
Retailer 2£513 GBP
Retailer 19£559 GBP
Retailer 15£775 GBP
Retailer 8£858 GBP
Retailer 11£930 GBP
Retailer 6£1,052 GBP
Retailer 7£1,061 GBP
Retailer 9£1,081 GBP
Retailer 1£1,116 GBP
Retailer 18£1,806 GBP
Retailer 17£1,878 GBP

33 data points across 19 retailers

24 retailers£228 GBP to £1,878 GBP

A
Cheapest Retailer
-
£228 GBP
$305 USD
Final sale: no returns
Retailer 2
-
£261 GBP
$350 USD
View
Price last confirmed 21 days ago
Retailer 3
-
£278 GBP
$373 USD
View
Price last confirmed 15 days ago
Retailer 4
-
£278 GBP
$373 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£287 GBP
View
Retailer 6
-
£303 GBP
$406 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
£337 GBP
$452 USD
View
A
Retailer 8
-
£369 GBP
$495 USD
View
A
Retailer 9
-
£391 GBP
$524 USD
View
A
Retailer 10
-
£478 GBP
ZAR 10,354 ZAR
View
A
Retailer 11
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£490 GBP
View
A
Retailer 12
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£503 GBP
$674 USD
View
A
Retailer 13
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£513 GBP
$688 USD
View
B+
Retailer 14
-
£775 GBP
$1,038 USD
View
B+
Retailer 15
-
£858 GBP
$1,150 USD
View
B
Retailer 16
-
£930 GBP
$1,246 USD
View
Retailer 17
-
£1,041 GBP
$1,395 USD
View
Price last confirmed 24 days ago
B
Retailer 18
-
£1,052 GBP
$1,410 USD
View
B
Retailer 19
-
£1,061 GBP
$1,422 USD
View
Retailer 20
-
£1,081 GBP
View
Price last confirmed 15 days ago
B+
Retailer 21
-
£1,116 GBP
View
B
Retailer 22
-
£1,806 GBP
$2,420 USD
View
B
Retailer 23
-
£1,878 GBP
$2,516 USD
View
Most Expensive
Rare Carat
FAGD-93981 · Aug 9
£2,214 GBP
$2,967 USD
View
Price last confirmed 83 days ago
23 more retailers have this diamond
Prices start from £228 GBPSave up to £1,650 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
1.30ct Oval
£228 GBP