Round|Lab Grown|IGI

1.28ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG835603364

Shape and cutting style on the report: Round brilliant

Certificate IGI LG835603364

Diamond specifications and retailer prices

From $179 USD
As of October 28, 2026
Save $1,361 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,540 USD at Do Amore Diamonds · As of October 29, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835603364 or 835603364. Listed at 19 retailers as of October 28, 2026, with prices from $179 to $1,540, a $1,361 spread on the same certified stone. Do Amore Diamonds lists it at $1,540. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835603364
Dimensions6.96 × 6.94 × 4.24 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
6.96 mm6.94 mm1.28 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835603364
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

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 28
Current: $1,540 USD|Low: $179 USD|High: $2,320 USD|Avg: $600 USD|-33.6%
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
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 17$179 USD
Retailer 7$243 USD
Retailer 16$270 USD
Retailer 14$331 USD
Retailer 5$353 USD
Retailer 10$376 USD
Retailer 2$393 USD
Retailer 4$485 USD
Retailer 11$535 USD
Retailer 13$675 USD
Retailer 6$680 USD
Retailer 9$680 USD
Retailer 8$692 USD
Retailer 3$878 USD
Retailer 12$1,026 USD
Retailer 15$1,069 USD
Do Amore Diamonds$1,540 USD

34 data points across 17 retailers

19 retailers$179 USD to $1,540 USD

Retailer 1
-
$160 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$179 USD
View
Final sale: no returns
Retailer 3
-
$194 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$207 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$243 USD
HK$1,900 HKD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$270 USD
View
A
Retailer 7
-
$331 USD
View
B+
Retailer 8
-
$376 USD
ZAR 6,082 ZAR
View
B+
Retailer 9
-
$393 USD
£309 GBP
View
Retailer 10
-
$485 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$535 USD
A$823 AUD
View
Retailer 12
-
$666 USD
View
Price last confirmed 30 days ago
B+
Retailer 13
-
$675 USD
View
Retailer 14
-
$680 USD
View
Price last confirmed 22 days ago
Retailer 15
-
$692 USD
SGD 935 SGD
View
Price last confirmed 24 days ago
B
Retailer 16
-
$878 USD
View
B
Retailer 17
-
$1,026 USD
£808 GBP
View
B
Retailer 18
-
$1,069 USD
View
Most Expensive
B
Do Amore Diamonds
27-EC5B1DF87 · Oct 29
$1,540 USD
View
18 more retailers have this diamond
Prices start from $179 USDSave up to $1,361 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
$179 USD