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Round|Lab Grown|IGI

1.29ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG634412525

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634412525

Diamond specifications and retailer prices

From $397 USD
As of October 30, 2026
Save $1,333 USD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,730 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634412525 or 634412525. Listed at 12 retailers as of October 30, 2026, with prices from $397 to $1,730, a $1,333 spread on the same certified stone. Do Amore Diamonds lists it at $1,730. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634412525
Dimensions7.11 × 7.06 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm7.06 mm1.29 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634412525
Side View
Table 59.0%Crown 31.4°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
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: $1,730 USD|Low: $372 USD|High: $1,730 USD|Avg: $726 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$397 USD
Retailer 5$425 USD
Retailer 9$475 USD
Retailer 6$480 USD
Retailer 2$559 USD
Retailer 10$563 USD
Retailer 3$677 USD
Retailer 7$761 USD
Retailer 11$968 USD
Retailer 4$1,162 USD
Do Amore Diamonds$1,730 USD

31 data points across 11 retailers

12 retailers$397 USD to $1,730 USD

Retailer 1
-
$224 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$397 USD
View
A
Retailer 3
-
$425 USD
ZAR 6,859 ZAR
View
A
Retailer 4
-
$475 USD
View
Retailer 5
-
$480 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$559 USD
£440 GBP
View
B+
Retailer 7
-
$563 USD
View
B+
Retailer 8
-
$761 USD
View
Retailer 9
-
$795 USD
View
Price last confirmed 30 days ago
B
Retailer 10
-
$968 USD
View
B
Retailer 11
-
$1,162 USD
£915 GBP
View
Most Expensive
B
Do Amore Diamonds
27-581ED0899 · Oct 31
$1,730 USD
View
11 more retailers have this diamond
Prices start from $397 USDSave up to $1,333 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
1.29ct Round
$397 USD