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Oval|Lab Grown|IGI

1.49ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG816606174

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816606174

Diamond specifications and retailer prices

From £173 GBP
$232 USD
As of October 29, 2026
Save £795 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £968 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.49ct lab-grown oval diamond

This 1.49ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816606174 or 816606174. Listed at 18 retailers as of October 29, 2026, with prices from £173 to £968, a £795 spread on the same certified stone. Reve Diamonds lists it at £968. 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

1.49
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816606174
Dimensions9.09 × 6.45 × 3.95 mm
L/W Ratio1.41
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
9.09 mm6.45 mm1.49 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816606174
Side View
Table 56.0%Crown 33.5°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 61.2%

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: Oct 29
Current: £406 GBP|Low: £172 GBP|High: £1,284 GBP|Avg: £538 GBP|+6.4%
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
October 31, 2026
Retailer 3£173 GBP
Retailer 6£199 GBP
Retailer 10£202 GBP
Retailer 5£215 GBP
Retailer 14£215 GBP
Retailer 15£364 GBP
Retailer 13£386 GBP
Retailer 1£406 GBP
Retailer 7£485 GBP
Retailer 11£561 GBP
Retailer 12£634 GBP
Retailer 2£692 GBP
Retailer 8£724 GBP
Retailer 4£731 GBP
Retailer 9£863 GBP
Reve Diamonds£968 GBP

42 data points across 16 retailers

18 retailers£173 GBP to £968 GBP

Retailer 1
-
£172 GBP
$230 USD
Price last confirmed 39 days ago
A
Retailer 2
-
£173 GBP
$232 USD
View
A
Retailer 3
-
£199 GBP
$266 USD
View
Final sale: no returns
A
Retailer 4
-
£202 GBP
$270 USD
View
Retailer 5
-
£210 GBP
$282 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
£215 GBP
$288 USD
View
A
Retailer 7
-
£215 GBP
$288 USD
View
B+
Retailer 8
-
£364 GBP
$488 USD
View
Retailer 9
-
£386 GBP
€493 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£406 GBP
View
B+
Retailer 11
-
£485 GBP
$650 USD
View
B+
Retailer 12
-
£561 GBP
$752 USD
View
Retailer 13
-
£634 GBP
$850 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
£692 GBP
$927 USD
View
B
Retailer 15
-
£724 GBP
$970 USD
View
B
Retailer 16
-
£731 GBP
$979 USD
View
B
Retailer 17
-
£863 GBP
View
Most Expensive
B
Reve Diamonds
91A009D34 · Oct 30
£968 GBP
$1,297 USD
View
17 more retailers have this diamond
Prices start from £173 GBPSave up to £795 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
1.49ct Oval
£173 GBP