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Oval|Lab Grown|IGI

1.06ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG770666136

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770666136

Diamond specifications and retailer prices

From $157 USD
As of November 1, 2026
Save $757 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $914 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.06ct lab-grown oval diamond

This 1.06ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770666136 or 770666136. Listed at 16 retailers as of October 29, 2026, with prices from $157 to $914, a $757 spread on the same certified stone. MOH London lists it at $914. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.06
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770666136
Dimensions7.86 × 5.70 × 3.65 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.86 mm5.70 mm1.06 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770666136
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.0%

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: Nov 1
Current: $914 USD|Low: $151 USD|High: $919 USD|Avg: $388 USD|+0.4%
MOH London
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
November 1, 2026
Retailer 10$157 USD
Retailer 14$175 USD
Retailer 3$182 USD
Retailer 6$194 USD
Retailer 12$194 USD
Retailer 2$233 USD
Retailer 8$336 USD
Retailer 7$341 USD
Retailer 13$353 USD
Retailer 9$501 USD
Retailer 4$514 USD
Retailer 5$625 USD
Retailer 11$630 USD
MOH London$914 USD

45 data points across 14 retailers

16 retailers$157 USD to $914 USD

A
Cheapest Retailer
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$157 USD
A
Retailer 2
-
$175 USD
View
Final sale: no returns
A
Retailer 3
-
$182 USD
View
Retailer 4
-
$194 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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$194 USD
View
A
Retailer 6
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$233 USD
£183 GBP
View
A
Retailer 7
-
$336 USD
€320 EUR
View
A
Retailer 8
-
$341 USD
£269 GBP
View
A
Retailer 9
-
$350 USD
View
A
Retailer 10
-
$353 USD
View
B+
Retailer 11
-
$501 USD
View
B+
Retailer 12
-
$514 USD
View
B+
Retailer 13
-
$625 USD
View
B+
Retailer 14
-
$630 USD
View
B
Retailer 15
-
$680 USD
View
Most Expensive
B
MOH London
LG770666136 · Oct 29
$914 USD
£720 GBP
View
15 more retailers have this diamond
Prices start from $157 USDSave up to $757 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
1.06ct Oval
$157 USD