Heart|Lab Grown|IGI

1.05ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG821630520

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821630520

Diamond specifications and retailer prices

From $179 USD
As of October 27, 2026
Save $961 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,170 USD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821630520 or 821630520. Listed at 22 retailers as of October 27, 2026, with a 537% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821630520
Dimensions6.89 × 6.29 × 4.09 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm6.29 mm1.05 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG821630520
Side View
Table 66.0%Crown 34.2°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 59.4%

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 27
Current: $1,140 USD|Low: $155 USD|High: $1,140 USD|Avg: $463 USD
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 27, 2026
Retailer 5$161 USD
Retailer 3$179 USD
Retailer 21$187 USD
Retailer 8$200 USD
Retailer 14$230 USD
Retailer 13$268 USD
Retailer 2$336 USD
Retailer 18$338 USD
Retailer 15$350 USD
Retailer 11$358 USD
Retailer 20$362 USD
Retailer 16$429 USD
Retailer 7$444 USD
Retailer 19$519 USD
Retailer 10$548 USD
Retailer 6$643 USD
Retailer 12$659 USD
Retailer 9$697 USD
Retailer 17$936 USD
Retailer 4$1,070 USD
Brilliant Earth$1,140 USD

38 data points across 21 retailers

22 retailers$179 USD to $1,140 USD

A
Retailer 1
-
$161 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$179 USD
View
Final sale: no returns
A
Retailer 3
-
$187 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$200 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$230 USD
HK$1,800 HKD
View
A
Retailer 6
-
$268 USD
£211 GBP
View
A
Retailer 7
-
$336 USD
€320 EUR
View
A
Retailer 8
-
$338 USD
ZAR 5,459 ZAR
View
A
Retailer 9
-
$350 USD
£276 GBP
View
A
Retailer 10
-
$358 USD
View
B+
Retailer 11
-
$362 USD
View
B+
Retailer 12
-
$429 USD
£338 GBP
View
B+
Retailer 13
-
$444 USD
View
B
Retailer 14
-
$519 USD
View
B+
Retailer 15
-
$548 USD
SGD 740 SGD
View
B
Retailer 16
-
$643 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$651 USD
View
B
Retailer 18
-
$697 USD
View
B
Retailer 19
-
$936 USD
£737 GBP
View
B
Retailer 20
-
$1,070 USD
View
B
Retailer 21
-
$1,140 USD
View
Most Expensive
B
Brilliant Earth
20782164A · Oct 1
$1,170 USD
View
Price last confirmed 27 days ago
21 more retailers have this diamond
Prices start from $179 USDSave up to $961 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
1.05ct Heart
$179 USD