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Round|Lab Grown|IGI

0.99ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG770638401

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770638401

Diamond specifications and retailer prices

From $249 AUD
$175 USD
As of October 29, 2026
Save $2,011 AUD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,260 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770638401 or 770638401. Listed at 24 retailers as of October 27, 2026, with prices from $249 to $2,260, a $2,011 spread on the same certified stone. Queensmith lists it at $2,260. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770638401
Dimensions6.37 × 6.42 × 3.90 mm
L/W Ratio1.01
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
6.37 mm6.42 mm0.99 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770638401
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
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 29
Current: $549 AUD|Low: $239 AUD|High: $1,457 AUD|Avg: $651 AUD|+6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 12$249 AUD
Retailer 3$307 AUD
Retailer 2$416 AUD
Retailer 1$549 AUD
Retailer 8$557 AUD
Retailer 7$572 AUD
Retailer 5$603 AUD
Retailer 4$649 AUD
Retailer 9$768 AUD
Retailer 11$771 AUD
Retailer 10$1,153 AUD
Retailer 6$1,448 AUD

37 data points across 12 retailers

24 retailers$249 AUD to $2,260 AUD

A
Cheapest Retailer
-
$249 AUD
$175 USD
A
Retailer 2
-
$278 AUD
$195 USD
View
Final sale: no returns
A
Retailer 3
-
$288 AUD
$202 USD
View
A
Retailer 4
-
$307 AUD
$216 USD
View
A
Retailer 5
-
$307 AUD
$216 USD
View
A
Retailer 6
-
$346 AUD
HK$1,900 HKD
View
B+
Retailer 7
-
$416 AUD
$292 USD
View
A
Retailer 8
-
$492 AUD
$346 USD
View
A
Retailer 9
-
$549 AUD
£303 GBP
View
A
Retailer 10
-
$557 AUD
ZAR 6,318 ZAR
View
A
Retailer 11
-
$572 AUD
€383 EUR
View
A
Retailer 12
-
$603 AUD
£334 GBP
View
B+
Retailer 13
-
$649 AUD
$456 USD
View
B+
Retailer 14
-
$768 AUD
View
B+
Retailer 15
-
$771 AUD
$542 USD
View
B+
Retailer 16
-
$842 AUD
SGD 799 SGD
View
Retailer 17
-
$947 AUD
$665 USD
View
Price last confirmed 38 days ago
B
Retailer 18
-
$991 AUD
$696 USD
View
B
Retailer 19
-
$1,019 AUD
$716 USD
View
B
Retailer 20
-
$1,068 AUD
$750 USD
View
Retailer 21
-
$1,153 AUD
$810 USD
View
Price last confirmed 13 days ago
B
Retailer 22
-
$1,448 AUD
£801 GBP
View
B
Retailer 23
-
$1,583 AUD
$1,112 USD
View
Most Expensive
B
Queensmith
LG770638401 · Oct 27
$2,260 AUD
£1,250 GBP
View
23 more retailers have this diamond
Prices start from $249 AUDSave up to $2,011 AUD

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
0.99ct Round
$249 AUD