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Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG818660300

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818660300

Diamond specifications and retailer prices

From $200 USD
As of October 26, 2026
Save $1,720 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,920 USD at Do Amore Diamonds · As of October 26, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818660300 or 818660300. Listed at 13 retailers as of October 26, 2026, with prices from $200 to $1,920, a $1,720 spread on the same certified stone. Do Amore Diamonds lists it at $1,920. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818660300
Dimensions6.95 × 6.92 × 4.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm6.92 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818660300
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A+
Exceptional
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 26
Current: $1,920 USD|Low: $200 USD|High: $2,140 USD|Avg: $753 USD|-10.3%
Do Amore Diamonds
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
October 26, 2026
Retailer 2$200 USD
Retailer 11$225 USD
Retailer 13$307 USD
Retailer 14$346 USD
Retailer 7$436 USD
Retailer 9$456 USD
Retailer 12$669 USD
Retailer 4$714 USD
Retailer 3$781 USD
Retailer 5$805 USD
Retailer 10$882 USD
Retailer 6$1,040 USD
Retailer 8$1,101 USD
Do Amore Diamonds$1,920 USD

21 data points across 14 retailers

13 retailers$200 USD to $1,920 USD

A+
Cheapest Retailer
-
$200 USD
A
Retailer 2
-
$307 USD
View
B+
Retailer 3
-
$346 USD
View
A
Retailer 4
-
$436 USD
£343 GBP
View
A
Retailer 5
-
$456 USD
€434 EUR
View
B+
Retailer 6
-
$669 USD
A$1,029 AUD
View
B+
Retailer 7
-
$714 USD
View
B+
Retailer 8
-
$781 USD
View
Retailer 9
-
$805 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$882 USD
View
B
Retailer 11
-
$1,040 USD
View
B
Retailer 12
-
$1,101 USD
£867 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E518663AE · Oct 26
$1,920 USD
View
12 more retailers have this diamond
Prices start from $200 USDSave up to $1,720 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+
1.28ct Round
$200 USD