CaratHunter
Plans
Oval|Lab Grown|IGI

1.01ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG803603981

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG803603981

Diamond specifications and retailer prices

From £116 GBP
As of November 5, 2026
Save £669 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £785 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.01ct lab-grown oval diamond

This 1.01ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG803603981 or 803603981. Listed at 16 retailers as of November 5, 2026, with prices from £116 to £785, a £669 spread on the same certified stone. Reve Diamonds lists it at £785. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803603981
Dimensions7.99 × 5.65 × 3.49 mm
L/W Ratio1.41
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
7.99 mm5.65 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803603981
Side View
Table 64.0%Crown 36.4°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 61.8%

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: Nov 5
Current: £245 GBP|Low: £108 GBP|High: £785 GBP|Avg: £282 GBP|+4.8%
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
Retailer 14
Retailer 15
Reve Diamonds
November 6, 2026
Retailer 5£116 GBP
Retailer 2£134 GBP
Retailer 7£140 GBP
Retailer 12£143 GBP
Retailer 14£143 GBP
Retailer 3£241 GBP
Retailer 1£245 GBP
Retailer 8£249 GBP
Retailer 4£262 GBP
Retailer 11£351 GBP
Retailer 13£382 GBP
Retailer 15£462 GBP
Retailer 9£478 GBP
Retailer 6£503 GBP
Retailer 10£669 GBP
Reve Diamonds£785 GBP

44 data points across 16 retailers

16 retailers£116 GBP to £785 GBP

A
Cheapest Retailer
-
£116 GBP
A
Retailer 2
-
£134 GBP
View
Retailer 3
-
£140 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£143 GBP
View
Final sale: no returns
A
Retailer 5
-
£143 GBP
View
A
Retailer 6
-
£241 GBP
View
A
Retailer 7
-
£245 GBP
View
A
Retailer 8
-
£249 GBP
View
A
Retailer 9
-
£262 GBP
View
B+
Retailer 10
-
£351 GBP
View
B+
Retailer 11
-
£382 GBP
View
B+
Retailer 12
-
£462 GBP
View
B
Retailer 13
-
£478 GBP
View
B
Retailer 14
-
£503 GBP
View
B
Retailer 15
-
£669 GBP
View
Most Expensive
B
Reve Diamonds
124239739 · Nov 6
£785 GBP
$1,050 USD
View
15 more retailers have this diamond
Prices start from £116 GBPSave up to £669 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
1.01ct Oval
£116 GBP