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Round|Lab Grown|IGI

1.68ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG844602223

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844602223

Diamond specifications and retailer prices

From £307 GBP
$411 USD
As of October 26, 2026
Save £2,417 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,724 GBP at Do Amore Diamonds · As of October 26, 2026
View at Do Amore Diamonds

About this 1.68ct lab-grown round diamond

This 1.68ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG844602223 or 844602223. Listed at 17 retailers as of October 26, 2026, with prices from £307 to £2,724, a £2,417 spread on the same certified stone. Do Amore Diamonds lists it at £2,724. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844602223
Dimensions7.63 × 7.68 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
7.63 mm7.68 mm1.68 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844602223
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

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A+
Exceptional
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 26
Current: £2,724 GBP|Low: £307 GBP|High: £3,657 GBP|Avg: £1,267 GBP|-1.6%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
November 1, 2026
Retailer 13£307 GBP
Retailer 5£349 GBP
Retailer 12£499 GBP
Retailer 11£540 GBP
Retailer 14£602 GBP
Retailer 16£619 GBP
Retailer 18£654 GBP
Retailer 7£706 GBP
Retailer 3£970 GBP
Retailer 15£1,068 GBP
Retailer 4£1,351 GBP
Retailer 17£1,546 GBP
Retailer 10£1,605 GBP
Retailer 2£1,899 GBP
Retailer 9£2,010 GBP
Retailer 6£2,156 GBP
Retailer 8£2,396 GBP
Do Amore Diamonds£2,724 GBP

13 data points across 18 retailers

17 retailers£307 GBP to £2,724 GBP

A+
Cheapest Retailer
-
£307 GBP
$411 USD
Retailer 2
-
£349 GBP
$468 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£499 GBP
$668 USD
View
A
Retailer 4
-
£540 GBP
View
A
Retailer 5
-
£602 GBP
$806 USD
View
Retailer 6
-
£619 GBP
$830 USD
View
Price last confirmed 5 days ago
A
Retailer 7
-
£654 GBP
€834 EUR
View
A
Retailer 8
-
£706 GBP
$946 USD
View
B+
Retailer 9
-
£970 GBP
$1,299 USD
View
B+
Retailer 10
-
£1,068 GBP
$1,431 USD
View
Retailer 11
-
£1,351 GBP
$1,810 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
£1,546 GBP
View
Retailer 13
-
£1,605 GBP
$2,151 USD
View
Price last confirmed 18 days ago
B
Retailer 14
-
£1,899 GBP
$2,545 USD
View
Retailer 15
-
£2,156 GBP
$2,889 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
£2,396 GBP
$3,210 USD
View
Most Expensive
B
Do Amore Diamonds
27-920292FA9 · Oct 26
£2,724 GBP
$3,650 USD
View
16 more retailers have this diamond
Prices start from £307 GBPSave up to £2,417 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+
1.68ct Round
£307 GBP