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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 $283 USD
As of October 27, 2026
Save $1,230 USD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,513 USD at Blue Nile · As of October 29, 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 27, 2026, with prices from $283 to $1,513, a $1,230 spread on the same certified stone. Blue Nile lists it at $1,513. 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
Color
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

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: Oct 27
Current: $1,513 USD|Low: $279 USD|High: $1,790 USD|Avg: $797 USD
Blue Nile
Retailer 2
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Retailer 7
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Retailer 19
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Retailer 22
October 29, 2026
Retailer 3$283 USD
Retailer 11$316 USD
Retailer 7$328 USD
Retailer 5$351 USD
Retailer 6$351 USD
Retailer 22$393 USD
Retailer 19$485 USD
Retailer 13$528 USD
Retailer 14$579 USD
Retailer 18$603 USD
Retailer 2$620 USD
Retailer 10$635 USD
Retailer 9$693 USD
Retailer 17$816 USD
Retailer 20$1,079 USD
Retailer 4$1,129 USD
Retailer 12$1,179 USD
Retailer 8$1,351 USD
Retailer 16$1,415 USD
Retailer 15$1,459 USD
Retailer 21$1,510 USD
Blue Nile$1,513 USD

36 data points across 22 retailers

22 retailers$283 USD to $1,513 USD

A
Cheapest Retailer
-
$283 USD
A
Retailer 2
-
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$328 USD
View
A
Retailer 4
-
$351 USD
View
A
Retailer 5
-
$351 USD
View
Retailer 6
-
$393 USD
£309 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
$485 USD
View
A
Retailer 8
-
$528 USD
€503 EUR
View
B+
Retailer 9
-
$579 USD
View
B+
Retailer 10
-
$603 USD
ZAR 9,745 ZAR
View
B+
Retailer 11
-
$620 USD
£488 GBP
View
B+
Retailer 12
-
$635 USD
View
B+
Retailer 13
-
$693 USD
View
B+
Retailer 14
-
$816 USD
A$1,256 AUD
View
B
Retailer 15
-
$1,079 USD
View
B
Retailer 16
-
$1,129 USD
View
B
Retailer 17
-
$1,179 USD
View
B
Retailer 18
-
$1,351 USD
View
B
Retailer 19
-
$1,415 USD
£1,114 GBP
View
B
Retailer 20
-
$1,459 USD
View
B
Retailer 21
-
$1,510 USD
View
Most Expensive
B
Blue Nile
25258156 · Oct 29
$1,513 USD
View
21 more retailers have this diamond
Prices start from $283 USDSave up to $1,230 USD

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
$283 USD