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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 $403 AUD
$283 USD
As of October 30, 2026
Save $1,751 AUD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,154 AUD 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 $403 to $2,154, a $1,751 spread on the same certified stone. Blue Nile lists it at $2,154. 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: $2,154 AUD|Low: $397 AUD|High: $2,548 AUD|Avg: $1,131 AUD
Blue Nile
Retailer 2
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Retailer 21
Retailer 22
November 1, 2026
Retailer 3$403 AUD
Retailer 11$450 AUD
Retailer 7$467 AUD
Retailer 5$500 AUD
Retailer 6$500 AUD
Retailer 22$559 AUD
Retailer 16$683 AUD
Retailer 13$747 AUD
Retailer 14$824 AUD
Retailer 19$859 AUD
Retailer 2$882 AUD
Retailer 10$904 AUD
Retailer 9$987 AUD
Retailer 18$1,162 AUD
Retailer 20$1,536 AUD
Retailer 4$1,607 AUD
Retailer 12$1,678 AUD
Retailer 8$1,923 AUD
Retailer 17$2,014 AUD
Retailer 15$2,077 AUD
Retailer 21$2,150 AUD
Blue Nile$2,154 AUD

36 data points across 22 retailers

22 retailers$403 AUD to $2,154 AUD

A
Cheapest Retailer
-
$403 AUD
$283 USD
A
Retailer 2
-
$450 AUD
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$467 AUD
$328 USD
View
A
Retailer 4
-
$500 AUD
$351 USD
View
Retailer 5
-
$500 AUD
$351 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$559 AUD
£309 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$683 AUD
$480 USD
View
A
Retailer 8
-
$747 AUD
€500 EUR
View
B+
Retailer 9
-
$824 AUD
$579 USD
View
B+
Retailer 10
-
$859 AUD
ZAR 9,745 ZAR
View
B+
Retailer 11
-
$882 AUD
£488 GBP
View
B+
Retailer 12
-
$904 AUD
$635 USD
View
B+
Retailer 13
-
$987 AUD
$693 USD
View
B+
Retailer 14
-
$1,162 AUD
View
B
Retailer 15
-
$1,536 AUD
$1,079 USD
View
B
Retailer 16
-
$1,607 AUD
$1,129 USD
View
B
Retailer 17
-
$1,678 AUD
$1,179 USD
View
B
Retailer 18
-
$1,923 AUD
$1,351 USD
View
B
Retailer 19
-
$2,014 AUD
£1,114 GBP
View
B
Retailer 20
-
$2,077 AUD
$1,459 USD
View
B
Retailer 21
-
$2,150 AUD
$1,510 USD
View
Most Expensive
B
Blue Nile
25258156 · Oct 31
$2,154 AUD
$1,513 USD
View
21 more retailers have this diamond
Prices start from $403 AUDSave up to $1,751 AUD

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
$403 AUD