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Heart|Lab Grown|IGI

1.67ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG678529177

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG678529177

Diamond specifications and retailer prices

From £211 GBP
$283 USD
As of October 30, 2026
Save £918 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,129 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.67ct lab-grown heart diamond

This 1.67ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678529177 or 678529177. Listed at 22 retailers as of October 30, 2026, with prices from £211 to £1,129, a £918 spread on the same certified stone. Blue Nile lists it at £1,129. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678529177
Dimensions7.56 × 8.20 × 4.84 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.56 mm8.20 mm1.67 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678529177
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.0%

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 30
Current: £1,129 GBP|Low: £208 GBP|High: £1,336 GBP|Avg: £592 GBP
Blue Nile
Retailer 2
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October 31, 2026
Retailer 3£211 GBP
Retailer 11£236 GBP
Retailer 7£245 GBP
Retailer 5£262 GBP
Retailer 6£262 GBP
Retailer 22£293 GBP
Retailer 16£358 GBP
Retailer 2£392 GBP
Retailer 14£432 GBP
Retailer 19£450 GBP
Retailer 13£462 GBP
Retailer 10£474 GBP
Retailer 9£517 GBP
Retailer 18£609 GBP
Retailer 20£805 GBP
Retailer 4£843 GBP
Retailer 12£880 GBP
Retailer 8£1,008 GBP
Retailer 17£1,056 GBP
Retailer 15£1,089 GBP
Retailer 21£1,127 GBP
Blue Nile£1,129 GBP

35 data points across 22 retailers

22 retailers£211 GBP to £1,129 GBP

A
Cheapest Retailer
-
£211 GBP
$283 USD
A
Retailer 2
-
£236 GBP
$316 USD
View
Final sale: no returns
A
Retailer 3
-
£245 GBP
$328 USD
View
A
Retailer 4
-
£262 GBP
$351 USD
View
A
Retailer 5
-
£262 GBP
$351 USD
View
Retailer 6
-
£293 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
£358 GBP
$480 USD
View
A
Retailer 8
-
£392 GBP
€500 EUR
View
B+
Retailer 9
-
£432 GBP
$579 USD
View
B+
Retailer 10
-
£450 GBP
ZAR 9,745 ZAR
View
B+
Retailer 11
-
£462 GBP
View
B+
Retailer 12
-
£474 GBP
$635 USD
View
B+
Retailer 13
-
£517 GBP
$693 USD
View
B+
Retailer 14
-
£609 GBP
A$1,256 AUD
View
B
Retailer 15
-
£805 GBP
$1,079 USD
View
B
Retailer 16
-
£843 GBP
$1,129 USD
View
B
Retailer 17
-
£880 GBP
$1,179 USD
View
B
Retailer 18
-
£1,008 GBP
$1,351 USD
View
B
Retailer 19
-
£1,056 GBP
View
B
Retailer 20
-
£1,089 GBP
$1,459 USD
View
B
Retailer 21
-
£1,127 GBP
$1,510 USD
View
Most Expensive
B
Blue Nile
25258156 · Oct 31
£1,129 GBP
$1,513 USD
View
21 more retailers have this diamond
Prices start from £211 GBPSave up to £918 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
1.67ct Heart
£211 GBP